Clark, John A. <br/><br/>
The air and you / 
introduced by Science and the way of the scientist [by] John A. Clark [and others]. 
 - [2nd ed.]. 
 - [London] :  Longmans [Green,  1967] 
 - Science on the march ;  Unit 1 .
<br/><br/> First published in this ed. in 1956. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Air.<br/>Science -- Methodology.--Science -- Methodology.