Chanlett, Emil T. <br/><br/>
Problems with solutions to accompany environmental protection / 
Emil T. Chanlett 
 - New York:  McGraw-Hill,   c1973. 
 - 108 p.:  23 cm. 
<br/><br/>
<br/><br/><br/>English 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Environmental health<br/>Environmental protection
<br/><br/><label>Dewey Class. No.: </label>363.7/CHP