Soil microbiology 
edited by N. Walker 
 - New York  Wiley  1975 
 - 262 p. : ill. ; 22 cm. 
<br/><br/> 'A Halsted Press Book.' 
<br/><br/>Includes bibliographies and index. 
<br/><br/><label>ISBN: </label>0470918128 
<br/><br/><label>LCCN: </label>75-017559 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Soil microbiology