000 00293nam a2200121Ia 4500
003 LDD
040 _cLDD
041 _aen
245 0 _aScience
260 _aAmerican association for the advancement of science
_bWashington
_c1 Jan-28 Feb,1989
362 _a243-243
_b4887-4894
942 _2ddc
_cJ
999 _c189278
_d189278