000 00293nam a2200121Ia 4500
003 LDD
040 _cLDD
041 _aen
245 0 _aScience
260 _aAmerican association for the advancement of science
_bWashington
_c1 Sep-31 Oct,1990
362 _a249-250
_b4973-4980
942 _2ddc
_cJ
999 _c189859
_d189859