000
00293nam a2200121Ia 4500
003
LDD
040
_c
LDD
041
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en
245
0
_a
Science
260
_a
American association for the advancement of science
_b
Washington
_c
1 May-31 May,1994
362
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264-264
_b
5160-6163
942
_2
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J
999
_c
190907
_d
190907