TY  - BOOK
AU  - Croxall, Harold E.
AU  - Smith, Lionel P.
TI  - The fight for food factors limiting agricultural production
U1  - 338.19 
PY  - 1984///
CY  - London
PB  - Allen & Unwin
KW  - Alimentos
KW  - Abastecimiento
KW  - Cultivos
KW  - Rendimiento
ER  -