TY  - GEN
AU  - Heady,Earl O.,Olson,Russel O.
TI  - Substitution relationships, resource requirements and income variability in the utilization of forage crops
PY  - 1952///
CY  - Ames
KW  - Substitution
KW  - Relationships
KW  - Resource
KW  - Requirements
KW  - Income Variability
KW  - Forage Crops
ER  -