Environmental and health monitoring in occupational health :  report 

 - Geneva :  World Health Organization,  1973. 
 - 48p.:  ill. ;  24cm. 
 - World Health Organization Technical Report Series ;  no.535 .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Occupational diseases.<br/>Public health.
<br/><br/><label>Dewey Class. No.: </label>616.9