000 00293nam a2200121Ia 4500
003 LDD
040 _cLDD
041 _aen
245 0 _aScience
260 _aAmerican association for the advancement of science
_bWashington
_c1 Oct-31 Oct,1993
362 _a262-262
_b5130-5135
942 _2ddc
_cJ
999 _c190500
_d190500