Sprent, Janet I  . <br/><br/>
Nitrogen fixing organisms;pure and applied aspects /  
Janet I Sprent and Peter Sprent. 
 - London :   Chapman and Hall ,   1990. 
 - 256p. :   ills.,figs.,tables ;   23cm .  
<br/><br/>Includes bibliography and index 
<br/><br/><label>ISBN: </label>0412346907  NULL 
<br/><br/><label>Subjects--Index Terms: </label>NITROGEN-FIXATION 
<br/><br/><label>Dewey Class. No.: </label>59.90133  / SPR/N