000 00281nam a2200121Ia 4500
003 LDD
040 _cLDD
041 _aen
245 0 _aScience
260 _aAmerican science advancement of science
_bWashington
_c1 May-31 May,2003
362 _a300-300
_b5620-5624
942 _2ddc
_cJ
999 _c177781
_d177781