The Hansen, Doan J. text Chelsea, Mich Lewis Publishers 1991-1994 monographic 3 v. : ill. ; 25 cm. v. 1. Occupational health fundamentals -- v. 2. Healthcare, laboratories, and biosafety -- v. 3. Indoor health hazards. Doan J. Hansen, editor. Includes bibliographical references and indexes. Industrial hygiene RC963 .W67 1991 613.6/2 0873713036 (v. 1) 0873713923 (v. 2) 0873713931 (v. 3) 91008213 http://www.loc.gov/catdir/enhancements/fy0744/91008213-d.html http://www.loc.gov/catdir/enhancements/fy0744/91008213-d.html UOEL 000 20170804144618.0 4377460