TY  - BOOK
AU  - Symposium on Sulphur-Containing Fertilizers (1971 : Brussels).
TI  - Symposium on "Sulphur-containing fertilizers" , Brussells, 28th October 1971
PY  - 1971///?]
CY  - [London
PB  - Sulphur Institute
KW  - Sulphur fertilizers
KW  - Congresses
KW  - Sulphur in agriculture
ER  -