000 00293nam a2200121Ia 4500
003 LDD
040 _cLDD
041 _aen
245 0 _aScience
260 _aAmerican association for the advancement of science
_bWashington
_c1 Mar-31 Mar,1999
362 _a283-283
_b5407-5410
942 _2ddc
_cJ
999 _c188085
_d188085