Air quality in selected urban areas 1973-1974 

 - Geneva:  World Health Organization;  1982 
 - Irregular pagination 
 - WHO offset publication No.30,31,32,34,36,37,38,39 .
<br/><br/><label>ISBN: </label>924170070X 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Epidemiology<br/>Community health workers<br/>Air quality<br/>Adolescent reproductive health
<br/><br/><label>Dewey Class. No.: </label>362.1  / WOR