000			00514nam a2200181 u 4500
001			000891998
005			20240715055243.0
008			120517s2000 r 000 0 eng d
020			_a0-07-049302-2
041	0		_aeng
100	1		_aPerkins, Henry Crawford.
245	1	0	_aAir Pollution / _cH.C. Perkins.
260			_aNew York : _bMcGraw-Hill Book Company, _a1974.
300			_a407 p. : _bfig., tables.
504			_aIncludes Index.
650	1	4	_aEnvironmental Engineering
999			_c95719 _d95719