000			00306nam a2200133Ia 4500
999			_c9790 _d9790
003			OSt
005			20220302174339.0
008			220112s9999||||xx |||||||||||||| ||und||
020			_a9780582229686
082			_a696 _bHAL
100			_aHall, F. (Fred)
245		0	_aBuilding services and equipment
942			_2ddc