Index of /science/science magazine 1991-1992/root/data/Science 1991-1992/pdf/1991_v251_n5001/
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p5001_0000a.pdf 13-Mar-2008 14:51 1293756
p5001_0000b.pdf 27-Oct-2007 03:45 10390380
p5001_1545.pdf 27-Oct-2007 03:45 58695
p5001_1546.pdf 27-Oct-2007 03:46 50984
p5001_1546a.pdf 27-Oct-2007 03:46 223407
p5001_1547.pdf 27-Oct-2007 03:47 180018
p5001_1547a.pdf 27-Oct-2007 03:47 180018
p5001_1551.pdf 27-Oct-2007 03:48 312530
p5001_1552.pdf 27-Oct-2007 03:49 917546
p5001_1554.pdf 27-Oct-2007 03:49 178841
p5001_1555.pdf 27-Oct-2007 03:50 213282
p5001_1556.pdf 27-Oct-2007 03:50 291259
p5001_1557.pdf 27-Oct-2007 03:50 232873
p5001_1558.pdf 27-Oct-2007 03:51 54117
p5001_1559.pdf 27-Oct-2007 03:52 2474210
p5001_1561.pdf 27-Oct-2007 03:53 400999
p5001_1562.pdf 27-Oct-2007 03:53 481515
p5001_1564.pdf 27-Oct-2007 03:54 267591
p5001_1566.pdf 27-Oct-2007 03:54 303299
p5001_1566a.pdf 27-Oct-2007 03:55 303299
p5001_1566b.pdf 27-Oct-2007 03:55 255074
p5001_1566c.pdf 27-Oct-2007 03:55 391424
p5001_1566d.pdf 20-Oct-2007 12:02 502786
p5001_1567.pdf 27-Oct-2007 03:56 316561
p5001_1567a.pdf 27-Oct-2007 03:56 295630
p5001_1567b.pdf 27-Oct-2007 03:57 316561
p5001_1568.pdf 27-Oct-2007 03:58 662470
p5001_1574.pdf 27-Oct-2007 04:00 689417
p5001_1580.pdf 27-Oct-2007 04:02 549213
p5001_1587.pdf 27-Oct-2007 04:03 477003
p5001_1590.pdf 27-Oct-2007 04:04 646030
p5001_1592.pdf 27-Oct-2007 04:05 379349
p5001_1594.pdf 27-Oct-2007 04:07 674626
p5001_1597.pdf 13-Mar-2008 14:51 763100
p5001_1600.pdf 27-Oct-2007 04:09 545909
p5001_1603.pdf 27-Oct-2007 04:10 558270
p5001_1605.pdf 13-Mar-2008 14:51 3009685
p5001_1608.pdf 27-Oct-2007 04:12 232896
p5001_1611.pdf 27-Oct-2007 04:14 303183
p5001_1613.pdf 27-Oct-2007 04:14 298611
p5001_1616.pdf 27-Oct-2007 04:15 281901
p5001_1619.pdf 27-Oct-2007 04:16 215998
p5001_1621.pdf 27-Oct-2007 04:17 256575
p5001_1622.pdf 27-Oct-2007 04:18 369803
p5001_1623a.pdf 17-Mar-2008 09:39 371345
p5001_1623b.pdf 17-Mar-2008 09:41 223815
p5001_1624.pdf 27-Oct-2007 04:19 223763
p5001_1624a.pdf 17-Mar-2008 09:42 4577035