000 00293nam a2200121Ia 4500
003 LDD
040 _cLDD
041 _aen
245 0 _aScience
260 _aAmerican association for the advancement of science
_bWashington
_c1 Sep-30 Sep,1992
362 _a257-257
_b5075-5078
942 _2ddc
_cJ
999 _c189874
_d189874