000 00293nam a2200121Ia 4500
003 LDD
040 _cLDD
041 _aen
245 0 _aScience
260 _aAmerican association for the advancement of science
_bWashington
_c1 May-31 May,1994
362 _a264-264
_b5160-6163
942 _2ddc
_cJ
999 _c190907
_d190907