TY  - BOOK
TI  - World and regional supply and demand balances for nitrogen, phosphate, and potash, 1990/91-1996/97
SN  - 0821321633
U1  - 338.476682 
PY  - 1992///
CY  - Washington, D.C.
PB  - World Bank
KW  - Fertilizer industry
ER  -