NITROGEN fixation 
/edited by W.J.Broughton 
 - Oxford  Clarendon press  1981 
 - xi, 306 p. 
<br/><br/> Includes index.<br/> 
<br/><br/><label>ISBN: </label>198545401 
<br/><br/><label>Dewey Class. No.: </label>570  / NIT