Path's industrial hygiene and toxicology 
edited by George D. Claylon, Florence E. Clayton. 
 - 4th ed. 
 - New York  John Wiley  and  Sons  1993 
 - **. 
<br/><br/><label>ISBN: </label>0-471-54724-7. 
<br/><br/><label>Dewey Class. No.: </label>618.62  / P25P