000			00348nam a2200133Ia 4500
008			170207s9999 xx 000 0 und d
082			_a500 CHE-S
100			_aCheronis, Nicholas D, et al.
245			_aStudy of the physical world
260			_bHoughton Mifflin Canada Ltd., Canada
260			_c1942
650			_aPure sciences
942			_cBOOKS
999			_c4534 _d4534