000 00293nam a2200121Ia 4500
003 LDD
040 _cLDD
041 _aen
245 0 _aScience
260 _aAmerican association for the advancement of science
_bWashington
_c1 Aug-31 Aug,1994
362 _a265-265
_b5173-5176
942 _2ddc
_cJ
999 _c190909
_d190909