000			00326nam a2200145Ia 4500
008			170101s1950 xx 000 0 und d
082			_a160 B36P
100			_aBEARDSLEY, Monroe C
245		0	_aPractical logic
260			_bEnglewood Cliffs _c1950
300			_a580p
650			_aLOGIC
653			_aLOGIC
942			_2ddc _cB
999			_c9974 _d9974