000 00293nam a2200121Ia 4500
003 LDD
040 _cLDD
041 _aen
245 0 _aScience
260 _aAmerican association for the advancement of science
_bWashington
_c1 Dec-31 Dec,1993
362 _a262-262
_b5139-5143
942 _2ddc
_cJ
999 _c190496
_d190496