Gregory, P.H. <br/><br/>
The Micro biology of the atmosphere  P.H. Gregory. 

 - 2nd ed. 
 - London  Leonard Hill  1973 
 - xxi, 377p.: ill. 24cm. 
<br/><br/><label>ISBN: </label>249441101 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Microbiology - Atmosphere.
<br/><br/><label>Dewey Class. No.: </label>551.584  / G80M