Constant,Kurt Michael Sheldrick,William F <br/><br/>
World nitrogen survey / Kurt Michael Constant and William F.Sheldrick 

 - Washington  World Bank  1992 
 - xxvi, 190p. 
 - World bnak technical paper .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Market surveys<br/>Nitrogen industries<br/>Production