Soil microbiology/ 
edited by N. Walker 
 - London:  Butterworths,  c1975 
 - 262 p.:  ill.;  21 cm. 
<br/><br/> Includes index 
<br/><br/><label>ISBN: </label>0408706708  £ 10.00 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Soil microbiology<br/>Biogeochemical cycles<br/>Nitrogen cycle<br/>Soil protozoa
<br/><br/><label>Dewey Class. No.: </label>631.46