000 00293nam a2200121Ia 4500
003 LDD
040 _cLDD
041 _aen
245 0 _aScience
260 _aAmerican association for the advancement of science
_bWashington
_c1 Jan-31 Jan,1998
362 _a279-279
_b5347-5351
942 _2ddc
_cJ
999 _c187541
_d187541