The Ecology of soil bacteria:  an international symposium / 
edited by T. R. G. Gray and D. Parkinson. 
 - Liverpool :   Liverpool Univ. Pr.,  c1968. 
 - xv, 681 p.  ill. ;  25 cm. 
<br/><br/>Includes  Index &  bibliographies. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Soil microbial ecology--Congresses.<br/>Bacteria--Ecology--Congresses.
<br/><br/><label>Dewey Class. No.: </label>579.3  / ECO 1968