TY  - BOOK
TI  - Proceedings
U1  - 631.83(52) 1958 (082.3)  J8 
PY  - 1958///
CY  - Switzerland
PB  - Berne International Potash Institute
KW  - Japanese Potassium Symposium Madrid, International Potash Institute, Dec.2, 1958.
KW  - Potassium,Fertilizers,Conference
ER  -