Gray, T. R. G. <br/><br/>
The ecology of soil bacteria; an international symposium 

 - Aylesbury, Bucks :  University of Toronto,  1968 
 - 681 p.  : ilus 
<br/><br/><label>LCCN: </label>15153 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Bacterias nitrificantes.<br/>Suelos--Microbiología.
<br/><br/><label>Dewey Class. No.: </label>631.46  / G6