Index of /science/science magazine 1991-1992/root/data/Science 1991-1992/pdf/1991_v251_n4991/
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p4991_0000a.pdf 16-Mar-2008 21:14 9638265
p4991_0249.pdf 23-Oct-2007 13:34 54753
p4991_0256.pdf 23-Oct-2007 13:35 122572
p4991_0257.pdf 23-Oct-2007 13:35 409613
p4991_0258.pdf 23-Oct-2007 13:36 120768
p4991_0260.pdf 13-Mar-2008 14:48 2183739
p4991_0263.pdf 23-Oct-2007 13:38 202686
p4991_0264.pdf 23-Oct-2007 13:38 199629
p4991_0265.pdf 23-Oct-2007 13:38 199808
p4991_0266.pdf 23-Oct-2007 13:39 442461
p4991_0268.pdf 23-Oct-2007 13:40 1352301
p4991_0271.pdf 23-Oct-2007 13:40 53204
p4991_0272.pdf 23-Oct-2007 13:41 254018
p4991_0274.pdf 20-Oct-2007 12:01 1532896
p4991_0275.pdf 23-Oct-2007 13:41 66176
p4991_0275a.pdf 23-Oct-2007 13:41 66176
p4991_0275b.pdf 23-Oct-2007 13:42 66177
p4991_0275c.pdf 23-Oct-2007 13:42 201584
p4991_0277.pdf 13-Mar-2008 14:48 1146145
p4991_0283.pdf 23-Oct-2007 13:46 490183
p4991_0288.pdf 23-Oct-2007 13:48 1041562
p4991_0293.pdf 23-Oct-2007 13:48 202478
p4991_0294.pdf 23-Oct-2007 13:50 780462
p4991_0298.pdf 20-Oct-2007 12:01 235509
p4991_0301.pdf 23-Oct-2007 13:51 556015
p4991_0303.pdf 23-Oct-2007 13:53 435230
p4991_0305.pdf 23-Oct-2007 13:54 877793
p4991_0308.pdf 23-Oct-2007 13:55 611044
p4991_0310.pdf 23-Oct-2007 13:57 1122565
p4991_0313.pdf 23-Oct-2007 13:58 668329
p4991_0316.pdf 23-Oct-2007 14:00 348499
p4991_0317.pdf 23-Oct-2007 14:01 356454
p4991_0318.pdf 23-Oct-2007 14:02 335015
p4991_0324.pdf 23-Oct-2007 14:02 232258
p4991_0325.pdf 23-Oct-2007 14:03 107532
p4991_0326.pdf 23-Oct-2007 14:04 273613
p4991_0327.pdf 23-Oct-2007 14:05 223249
p4991_0327a.pdf 23-Oct-2007 14:15 4875363