Katz, M. <br/><br/>
Measurement of air pollutants :  guide to the selection of methods / 
M. Katz. 
 - Geveva :  World health organization,  c 1969. 
 - 123 p. ;  25 cm. 
<br/><br/>Includes bibliographical reference. 
<br/><br/>340  340 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Air -- Measurement.--Pollution
<br/><br/><label>Dewey Class. No.: </label>614.71 / K159m