Stacey, Gary. <br/><br/>
Biological nitrogen fixation / 
Gary Stacey, Robert H. Burrls and Harold J. Evans. 
 - 1st ed. 
 - New Delhi :  CBS Publishers & Distributors,  1997 
 - xii, 943 p. :  ill. ;  23 cm. 
<br/><br/>Includes index. 
<br/><br/><label>ISBN: </label>8123905351 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Biological nitrogen
<br/><br/><label>Dewey Class. No.: </label>589.90133  / STB