000 00273nam a2200121Ia 4500
003 LDD
040 _cLDD
041 _aen
245 0 _aScience
260 _aAmerican advancement of science
_bWashington
_c1 Jul-31 Jul,1995
362 _a269-269
_b5220-5223
942 _2ddc
_cJ
999 _c187214
_d187214