000 00293nam a2200121Ia 4500
003 LDD
040 _cLDD
041 _aen
245 0 _aScience
260 _aAmerican association for the advancement of science
_bWashington
_c1 Nov-31 Dec,1989
362 _a246-246
_b4930-4937
942 _2ddc
_cJ
999 _c189858
_d189858