World and regional supply and demand balances for nitrogen, phosphate, and potash, 1993/94-1999/2000 

 - Washington, D.C.:  The World Bank,  1995 
 - 43p.:  ill.;  27cm 
 - World Bank technical paper;  309 .
<br/><br/> The World Bank/ FAO/UNIDO/ Industry Fertilizer Working Group 
<br/><br/><label>ISBN: </label>0821334956