TY  - BOOK
AU  - Kenya Bureau of Standards.
TI  - Kenya standard: Specification for superphosphate fertilizers 
SN  - KS 03-46 : 1977
U1  - 631.85 KEN 
PY  - 1977///
CY  - Nairobi
PB  -  Kenya Bureau of Standards
KW  - Phosphorus fertilizers
ER  -