TY  - BOOK
AU  - Kanwar, J S
AU  - Mudahar, M S
TI  - Fertilizer sulfur and food production
SN  - 9024732441
U1  - 631.825 
PY  - 1986///
CY  - Netherlands
PB  - Martinus Nijhoff/ Dr W Junk Publishers
ER  -