TY  - BOOK
AU  - Vladimir Ignatieff
TI  - Efficient use of fertilizers
U1  - 631.8 
PY  - 1949///
CY  - Washington
PB  - Food and Agriculture Organization of the United States
N1  - Vladimir Ignatieff: Efficient use of fertilizers.  Washington.  Food and Agriculture Organization of the United States, 1949.--(631.8IGN)
ER  -