Alexander P. Hansen, Devendra K. Choudhary, Pawan Kumar Agrawal, Ajit Varma <br/><br/>
Rhizobium Biology and Biotechnology 

 -  Springer  Springer  2017 
<br/><br/><label>ISBN: </label>9783319649825 
<br/><br/><label>Source: </label>EBOOK