Occupational exposure to hydrogen fluoride 

 - Washington, D.C. :  United States Dept. of Health, Education, and Welfare,  1976 
 - vii, 181 p. :  ill. ;  29 cm. 
 - Criteria for a recommended standard .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Industrial safety
<br/><br/><label>Dewey Class. No.: </label>363.11