000 00293nam a2200121Ia 4500
003 LDD
040 _cLDD
041 _aen
245 0 _aScience
260 _aAmerican association for the advancement of science
_bWashington
_c1 Sep-30 Sep,1999
362 _a285-285
_b5433-5436
942 _2ddc
_cJ
999 _c188397
_d188397