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,1992
362 _a257-257
_b5071-5074
942 _2ddc
_cJ
999 _c189873
_d189873