80640. AAAS.   Science.   American Association for the Advancement of Science, 2002, Science, Volume 297, Number 5589.   Softbound, xlib, minor signs of use, text in very good condition.    $5.00

80702. AAAS.   Science.   American Association for the Advancement of Science, 1998, Science, Volume 280, Number 5371.   Softbound, xlib, minor signs of use, text in very good condition.    $5.00

80724. AAAS.   Science.   American Association for the Advancement of Science, 1997, Science, Volume 277, Number 5314.   Softbound, xlib, minor signs of use, text in very good condition.    $5.00

80699. AAAS.   Science.   American Association for the Advancement of Science, 1998, Science, Volume 280, Number 5367.   Softbound, xlib, minor signs of use, text in very good condition.    $5.00

80734. AAAS.   Science.   American Association for the Advancement of Science, 1997, Science, Volume 275, Number 5302.   Softbound, xlib, minor signs of use, text in very good condition.    $5.00

80733. AAAS.   Science.   American Association for the Advancement of Science, 1997, Science, Volume 275, Number 5301.   Softbound, xlib, minor signs of use, text in very good condition.    $5.00

80732. AAAS.   Science.   American Association for the Advancement of Science, 1997, Science, Volume 275, Number 5300.   Softbound, xlib, minor signs of use, text in very good condition.    $5.00

80731. AAAS.   Science.   American Association for the Advancement of Science, 1997, Science, Volume 275, Number 5299.   Softbound, xlib, minor signs of use, text in very good condition.    $5.00

80730. AAAS.   Science.   American Association for the Advancement of Science, 1997, Science, Volume 275, Number 5296.   Softbound, xlib, minor signs of use, text in very good condition.    $5.00

80729. AAAS.   Science.   American Association for the Advancement of Science, 1997, Science, Volume 277, Number 5321.   Softbound, xlib, minor signs of use, text in very good condition.    $5.00

80728. AAAS.   Science.   American Association for the Advancement of Science, 1997, Science, Volume 277, Number 5320.   Softbound, xlib, minor signs of use, text in very good condition.    $5.00

80727. AAAS.   Science.   American Association for the Advancement of Science, 1997, Science, Volume 277, Number 5319.   Softbound, xlib, minor signs of use, text in very good condition.    $5.00

80712. AAAS.   Science.   American Association for the Advancement of Science, 1997, Science, Volume 278, Number 5345.   Softbound, xlib, minor signs of use, text in very good condition.    $5.00

80725. AAAS.   Science.   American Association for the Advancement of Science, 1997, Science, Volume 277, Number 5315.   Softbound, xlib, minor signs of use, text in very good condition.    $5.00

80713. AAAS.   Science.   American Association for the Advancement of Science, 1997, Science, Volume 278, Number 5346.   Softbound, xlib, minor signs of use, text in very good condition.    $5.00

80723. AAAS.   Science.   American Association for the Advancement of Science, 1997, Science, Volume 277, Number 5312.   Softbound, xlib, minor signs of use, text in very good condition.    $5.00

80722. AAAS.   Science.   American Association for the Advancement of Science, 1997, Science, Volume 277, Number 5310.   Softbound, xlib, minor signs of use, text in very good condition.    $5.00

80721. AAAS.   Science.   American Association for the Advancement of Science, 1997, Science, Volume 277, Number 5309.   Softbound, xlib, minor signs of use, text in very good condition.    $5.00

80720. AAAS.   Science.   American Association for the Advancement of Science, 1997, Science, Volume 277, Number 5334.   Softbound, xlib, minor signs of use, text in very good condition.    $5.00

80719. AAAS.   Science.   American Association for the Advancement of Science, 1997, Science, Volume 277, Number 5334.   Softbound, xlib, minor signs of use, text in very good condition.    $5.00

80718. AAAS.   Science.   American Association for the Advancement of Science, 1997, Science, Volume 277, Number 5333.   Softbound, xlib, minor signs of use, text in very good condition.    $5.00

80717. AAAS.   Science.   American Association for the Advancement of Science, 1997, Science, Volume 277, Number 5329.   Softbound, xlib, minor signs of use, text in very good condition.    $5.00

80716. AAAS.   Science.   American Association for the Advancement of Science, 1997, Science, Volume 277, Number 5328.   Softbound, xlib, minor signs of use, text in very good condition.    $5.00

80715. AAAS.   Science.   American Association for the Advancement of Science, 1997, Science, Volume 277, Number 5324.   Softbound, xlib, minor signs of use, text in very good condition.    $5.00

80687. AAAS.   Science.   American Association for the Advancement of Science, 1998, Science, Volume 279, Number 5351.   Softbound, xlib, minor signs of use, text in very good condition.    $5.00

80726. AAAS.   Science.   American Association for the Advancement of Science, 1997, Science, Volume 277, Number 5318.   Softbound, xlib, minor signs of use, text in very good condition.    $5.00

80651. AAAS.   Science.   American Association for the Advancement of Science, 2002, Science, Volume 300, Number 5600.   Softbound, xlib, minor signs of use, text in very good condition.    $5.00

80662. AAAS.   Science.   American Association for the Advancement of Science, 1999, Science, Volume 283, Number 5405.   Softbound, xlib, minor signs of use, text in very good condition.    $5.00

80661. AAAS.   Science.   American Association for the Advancement of Science, 1999, Science, Volume 283, Number 5404.   Softbound, xlib, minor signs of use, text in very good condition.    $5.00

80660. AAAS.   Science.   American Association for the Advancement of Science, 1999, Science, Volume 283, Number 5401.   Softbound, xlib, minor signs of use, text in very good condition.    $5.00

80659. AAAS.   Science.   American Association for the Advancement of Science, 1999, Science, Volume 283, Number 5400.   Softbound, xlib, minor signs of use, text in very good condition.    $5.00

80658. AAAS.   Science.   American Association for the Advancement of Science, 1999, Science, Volume 283, Number 5399.   Softbound, xlib, minor signs of use, text in very good condition.    $5.00

80657. AAAS.   Science.   American Association for the Advancement of Science, 1999, Science, Volume 283, Number 5398.   Softbound, xlib, minor signs of use, text in very good condition.    $5.00

80656. AAAS.   Science.   American Association for the Advancement of Science, 2000, Science, Volume 287, Number 5454.   Softbound, xlib, minor signs of use, text in very good condition.    $5.00

80655. AAAS.   Science.   American Association for the Advancement of Science, 2000, Science, Volume 287, Number 5453.   Softbound, xlib, minor signs of use, text in very good condition.    $5.00

80654. AAAS.   Science.   American Association for the Advancement of Science, 2001, Science, Volume 294, Number 5547.   Softbound, xlib, minor signs of use, text in very good condition.    $5.00

80689. AAAS.   Science.   American Association for the Advancement of Science, 1998, Science, Volume 279, Number 5353.   Softbound, xlib, minor signs of use, text in very good condition.    $5.00

80652. AAAS.   Science.   American Association for the Advancement of Science, 2002, Science, Volume 300, Number 5601.   Softbound, xlib, minor signs of use, text in very good condition.    $5.00

80665. AAAS.   Science.   American Association for the Advancement of Science, 1999, Science, Volume 283, Number 5410.   Softbound, xlib, minor signs of use, text in very good condition.    $5.00

80650. AAAS.   Science.   American Association for the Advancement of Science, 2002, Science, Volume 300, Number 5599.   Softbound, xlib, minor signs of use, text in very good condition.    $5.00

80649. AAAS.   Science.   American Association for the Advancement of Science, 2002, Science, Volume 300, Number 5598.   Softbound, xlib, minor signs of use, text in very good condition.    $5.00

80648. AAAS.   Science.   American Association for the Advancement of Science, 2002, Science, Volume 300, Number 5597.   Softbound, xlib, minor signs of use, text in very good condition.    $5.00

80647. AAAS.   Science.   American Association for the Advancement of Science, 2002, Science, Volume 300, Number 5596.   Softbound, xlib, minor signs of use, text in very good condition.    $5.00

80646. AAAS.   Science.   American Association for the Advancement of Science, 2002, Science, Volume 300, Number 5595.   Softbound, xlib, minor signs of use, text in very good condition.    $5.00

80645. AAAS.   Science.   American Association for the Advancement of Science, 2002, Science, Volume 300, Number 5594.   Softbound, xlib, minor signs of use, text in very good condition.    $5.00

80644. AAAS.   Science.   American Association for the Advancement of Science, 2002, Science, Volume 300, Number 5593.   Softbound, xlib, minor signs of use, text in very good condition.    $5.00

80643. AAAS.   Science.   American Association for the Advancement of Science, 2002, Science, Volume 300, Number 5592.   Softbound, xlib, minor signs of use, text in very good condition.    $5.00

80736. AAAS.   Science.   American Association for the Advancement of Science, 1997, Science, Volume 275, Number 5304.   Softbound, xlib, minor signs of use, text in very good condition.    $5.00

80653. AAAS.   Science.   American Association for the Advancement of Science, 2002, Science, Volume 300, Number 5602.   Softbound, xlib, minor signs of use, text in very good condition.    $5.00

80675. AAAS.   Science.   American Association for the Advancement of Science, 1999, Science, Volume 285, Number 5431.   Softbound, xlib, minor signs of use, text in very good condition.    $5.00