Varma, Ajit. <br/><br/>
Advanced Techniques in Soil Microbiology [electronic resource]   
by Ajit Varma and Ralf.Oelmॱller 
 - Berlin  Springer  2007 
<br/><br/> http://dx.doi.org/10.1007/978-3-540-70865-0 
<br/><br/><label>ISBN: </label>9783540708650 
<br/><br/><label>Dewey Class. No.: </label>631.46  / (e book)