000
00293nam a2200121Ia 4500
003
LDD
040
_c
LDD
041
_a
en
245
0
_a
Science
260
_a
American association for the advancement of science
_b
Washington
_c
1 Dec-31 Dec,1988
362
_a
242-242
_b
4283-4288
942
_2
ddc
_c
J
999
_c
187689
_d
187689