The Ecology of soil bacteria  an international symposium 
edited by T. R. G. Gray and D. Parkinson 
 - Liverpool  Liverpool U.P  1968 
 - xv, 681 p.  plate, illus  25 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Soil microbiology<br/>Microbial ecology
<br/><br/><label>Dewey Class. No.: </label>631.4  / 6