Occupational health and safety for the 21st century/ 
Robert H. Friis. 
 - Massachussetts:  Jones & Bartlett Learning,  2016. 
 - xiii, 451 pages:  illustrations;  26 cm. 
<br/><br/> Includes index and glossary. 
<br/><br/><label>ISBN: </label>9781284046038 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Industrial hygiene.<br/>Industrial safety.
<br/><br/><label>LC Class. No.: </label>RC 964  / .F912 2016