TY  - BOOK
AU  - Ignatiefe Vladimir Ed.
AU  -  Page Harold J. Ed.
TI  - Efficient use of fertilizers
T2  - Food and Agriculture Organization, Agricultural Studies. 43
U1  - J:24, J8 
PY  - 1958///
CY  - Rome
PB  - Food and Agriculture Organization       
KW  - Agriculture
ER  -