000			00374nam a22001577a 4500
015			_a594
041			_aENG
080			_a500
100			_cHolmes, Leake, Shaw
100			_aHolmes, Leake, Shaw
245			_aGateways to science.
260			_aMc Graw Hill Book. _bMc Graw Hill Book.
999			_c229 _d229