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003 LDD
040 _cLDD
041 _aen
245 0 _aScience
260 _aAmerican association for the advancement of science
_bWashington
_c1 Apr-30 Apr,1999
362 _a284-284
_b5411-5470
942 _2ddc
_cJ
999 _c188086
_d188086