000			00306nam a2200133Ia 4500
008			220201s1986 xx 000 0 eng d
082			_bSTE
100			_aStein Benjamin
245		0	_amechanical and Electrical Equipment for Buildings
250			_a7th
260			_c1986
300			_a721
942			_2ddc
999			_c25049 _d25049