000 00293nam a2200121Ia 4500
003 LDD
040 _cLDD
041 _aen
245 0 _aScience
260 _aAmerican association for the advancement of science
_bWashington
_c1 May-30 Jun,1989
362 _a244-244
_b4904-4912
942 _2ddc
_cJ
999 _c189855
_d189855