000 00266nam a2200121Ia 4500
003 LDD
040 _cLDD
041 _aen
245 0 _aScientific American to be entered
260 _ato be entered
_c1 Jan-30 Apr,1991
362 _a264-264
_b01-Apr
942 _2ddc
_cJ
999 _c189702
_d189702