Gregory, P.  H.  <br/><br/>
The microbiology of the atmosphere /  
P.  H.  Gregory 
 - London :   Leonard Hill,   1961. 
 - 251 p. :  ill. ;  25 cm. 
<br/><br/>10  10 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Microbiology.
<br/><br/><label>Dewey Class. No.: </label>581.52262 / G862m