Index of /science/science magazine 1991-1992/root/data/Science 1991-1992/pdf/1991_v251_n4990/
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p4990_0000a.pdf 16-Mar-2008 21:13 8277127
p4990_0141.pdf 23-Oct-2007 12:45 187412
p4990_0142.pdf 23-Oct-2007 12:45 46696
p4990_0142a.pdf 23-Oct-2007 12:46 46696
p4990_0142b.pdf 23-Oct-2007 12:47 348233
p4990_0144.pdf 23-Oct-2007 12:47 294307
p4990_0144a.pdf 23-Oct-2007 12:48 136875
p4990_0144b.pdf 23-Oct-2007 12:48 136875
p4990_0144c.pdf 23-Oct-2007 12:48 136875
p4990_0152.pdf 23-Oct-2007 12:49 263164
p4990_0153.pdf 23-Oct-2007 12:50 293825
p4990_0154.pdf 23-Oct-2007 12:51 1845572
p4990_0157.pdf 23-Oct-2007 12:51 201569
p4990_0158.pdf 23-Oct-2007 12:52 225167
p4990_0158a.pdf 23-Oct-2007 12:52 135775
p4990_0158b.pdf 23-Oct-2007 12:52 135806
p4990_0158c.pdf 23-Oct-2007 12:53 367667
p4990_0159.pdf 23-Oct-2007 12:53 144861
p4990_0159a.pdf 23-Oct-2007 12:54 144861
p4990_0159b.pdf 23-Oct-2007 12:54 144856
p4990_0159c.pdf 23-Oct-2007 12:54 144856
p4990_0159d.pdf 23-Oct-2007 12:55 343104
p4990_0159e.pdf 23-Oct-2007 12:55 144861
p4990_0160.pdf 23-Oct-2007 12:56 506677
p4990_0163.pdf 23-Oct-2007 12:56 359020
p4990_0165.pdf 23-Oct-2007 12:57 175979
p4990_0166.pdf 23-Oct-2007 12:57 172540
p4990_0169.pdf 23-Oct-2007 13:00 1017605
p4990_0175.pdf 23-Oct-2007 13:01 654733
p4990_0180.pdf 23-Oct-2007 13:02 980109
p4990_0183.pdf 23-Oct-2007 13:04 952056
p4990_0186.pdf 23-Oct-2007 13:06 741076
p4990_0189.pdf 13-Mar-2008 14:44 808927
p4990_0192.pdf 23-Oct-2007 13:08 698701
p4990_0195.pdf 23-Oct-2007 13:10 548047
p4990_0198.pdf 20-Oct-2007 12:01 271017
p4990_0201.pdf 20-Oct-2007 12:01 450392
p4990_0204.pdf 23-Oct-2007 13:12 669552
p4990_0210.pdf 23-Oct-2007 13:12 51272
p4990_0210a.pdf 23-Oct-2007 13:12 99270
p4990_0211.pdf 23-Oct-2007 13:13 534384
p4990_0213.pdf 23-Oct-2007 13:14 101486
p4990_0213a.pdf 23-Oct-2007 13:26 4775542