Measurement of air pollutants :  guide to the selection of methods / 
[by] M. Katz. 
 - Geneva,  1969. 
<br/><br/>Bibliography: p. 116-123. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Air -- Pollution -- Measurement.--Air -- Pollution -- Measurement.--Air -- Pollution -- Measurement.