000			00446pam a2200169a 44500
082			_a331.822 _bP27i2
100			_aClayton, G. D.
245	1		_aINDUSTRIAL HYGIENE AND TOXICOLOGY
250			_a2nd rev.
260			_aNew York _bInternational Publishers _c1958-
300			_a2 v.
500			_aContent.-V. 1. General Principles
650			_aIndustrial Hygiene
700			_aPatty, Frank Arthur
964			_gCIRC
997			_a22484 v. 2 C
999			_c420450 _d420450