TY  - BK
AU  - Harrar,J.G.
TI  - Plant pathology and world food problems
PY  - 1969///
CY  - New York (USA)
PB  - The Rockefeller Foundation, 
KW  - Food supply
KW  - Plant diseases
KW  - AGROVOC
KW  - Plant pathology
KW  - Plant protection
KW  - Food security
ER  -