TY  - BOOK
TI  - FAO fertilizer yearbook
PY  - 1980///
CY  - Rome: 
PB  - Food and Agriculture Organization, 
KW  - Management
KW  - Yearbook
N1  - Vol. 29 (1979); 143p.
Vol. 29 (1979); 143p.
Vol. 30 (1980); 143p.
Vol. 30 (1980); 143p.
Vol. 31 (1981); 143p.
Vol. 31 (1981); 143p.
Vol. 32 (1982); 143p.
Vol. 32 (1982); 143p.
Vol. 33 (1983); 143p.
Vol. 33 (1983); 143p.
Vol. 34 (1984); 143p.
Vol. 34 (1984); 143p.
Vol. 35 (1985); 143p.
Vol. 35 (1985); 143p.
Vol. 36 (1986); 143p.
Vol. 37 (1987); 143p.
Vol. 37 (1987); 143p.
Vol. 23 (1978); 143p.
Vol. 23 (1978); 143p

ER  -