Index of /science/science magazine 1989-1990/root/data/Science 1989-1990/pdf/1990_v250_n4988/
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p4988_0000a.pdf 07-Oct-2007 08:09 989867
p4988_0000b.pdf 07-Oct-2007 08:16 9540593
p4988_1637.pdf 07-Oct-2007 08:17 56523
p4988_1640.pdf 07-Oct-2007 08:19 3033960
p4988_1644.pdf 07-Oct-2007 08:20 267080
p4988_1646.pdf 07-Oct-2007 08:20 82144
p4988_1646a.pdf 07-Oct-2007 08:21 82144
p4988_1646b.pdf 07-Oct-2007 08:21 82119
p4988_1648.pdf 07-Oct-2007 08:22 666960
p4988_1651.pdf 07-Oct-2007 08:22 221315
p4988_1651a.pdf 07-Oct-2007 08:22 177877
p4988_1652.pdf 07-Oct-2007 08:23 549714
p4988_1654.pdf 07-Oct-2007 08:23 1347309
p4988_1655.pdf 12-Mar-2008 14:51 1894224
p4988_1657.pdf 07-Oct-2007 08:24 266801
p4988_1658.pdf 07-Oct-2007 08:24 199969
p4988_1659.pdf 07-Oct-2007 08:25 238626
p4988_1660.pdf 07-Oct-2007 08:25 445866
p4988_1662.pdf 07-Oct-2007 08:26 79749
p4988_1662a.pdf 07-Oct-2007 08:26 180067
p4988_1662b.pdf 07-Oct-2007 08:26 296624
p4988_1662c.pdf 07-Oct-2007 08:27 153574
p4988_1663.pdf 07-Oct-2007 08:27 79416
p4988_1663a.pdf 07-Oct-2007 08:28 79369
p4988_1663b.pdf 07-Oct-2007 08:28 79369
p4988_1663c.pdf 07-Oct-2007 08:29 323766
p4988_1665.pdf 20-Oct-2007 11:53 204279
p4988_1669.pdf 07-Oct-2007 08:33 782053
p4988_1678.pdf 12-Mar-2008 14:51 792595
p4988_1684.pdf 07-Oct-2007 08:38 564692
p4988_1690.pdf 07-Oct-2007 08:41 852527
p4988_1694.pdf 07-Oct-2007 08:44 1040240
p4988_1700.pdf 07-Oct-2007 08:46 418956
p4988_1702.pdf 20-Oct-2007 11:53 251683
p4988_1705.pdf 07-Oct-2007 08:47 408730
p4988_1707.pdf 07-Oct-2007 08:48 149237
p4988_1709.pdf 07-Oct-2007 08:50 571841
p4988_1712.pdf 12-Mar-2008 14:51 803565
p4988_1715.pdf 07-Oct-2007 08:54 543058
p4988_1720.pdf 12-Mar-2008 14:51 657772
p4988_1723.pdf 07-Oct-2007 08:58 839111
p4988_1726.pdf 12-Mar-2008 14:51 515715
p4988_1729.pdf 20-Oct-2007 11:54 626129
p4988_1732.pdf 07-Oct-2007 09:01 653694
p4988_1735.pdf 07-Oct-2007 09:03 276312
p4988_1738.pdf 07-Oct-2007 09:04 195791
p4988_1740.pdf 12-Mar-2008 14:51 647952
p4988_1743.pdf 07-Oct-2007 09:08 242571
p4988_1745.pdf 07-Oct-2007 09:09 252140
p4988_1749.pdf 07-Oct-2007 09:09 195131
p4988_1750.pdf 07-Oct-2007 09:10 3087440
p4988_1754.pdf 07-Oct-2007 09:11 96805
p4988_1755.pdf 07-Oct-2007 09:12 101957
p4988_1756.pdf 07-Oct-2007 09:13 101260
p4988_1757.pdf 07-Oct-2007 09:13 98159
p4988_1758.pdf 07-Oct-2007 09:14 52447
p4988_1758a.pdf 07-Oct-2007 09:14 116947
p4988_1759.pdf 07-Oct-2007 09:15 71739
p4988_1759a.pdf 12-Mar-2008 14:51 6238606