000 00293nam a2200121Ia 4500
003 LDD
040 _cLDD
041 _aen
245 0 _aScience
260 _aAmerican association for the advancement of science
_bWashington
_c1 Jun-30 Jun,1988
362 _a240-240
_b4857-4860
942 _2ddc
_cJ
999 _c187705
_d187705