Smil, Vaclav. <br/><br/>
Enriching the earth :  Fritz Haber, Carl Bosch and the transformation of world food production. 

 - Cambridge :  The MIT Press,  2004. 
 - ix, 338pages : illustrations. 
<br/><br/> Includes index.  Includes bibliography. 
<br/><br/><label>ISBN: </label>0262693135 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Nitrogen fertilizers.<br/>Ammonia as fertilizer.