000			00337nam a22001457a 4500
008			210519b ||||| |||| 00| 0 eng d
020			_a9780471501961
041			_aeng
080			_24th _a574
082			_a574
100			_a9
101			_aMJE
245			_aPatty's Industrial Hygiene and Toxicology _cClayton,G.D
942			_2udc _cBK
999			_c57505 _d57505