TY  - BOOK
AU  - Frisvold G B
AU  - Raaneses A
AU  - Sullivan J
TI  - Genetic improvements in major US crops : The size and distribution of benefits
PY  - 2003///
PB  - Agricultural Economics
KW  - Genetic resources
KW  - Plant Breeding
KW  - Returns to research
KW  - Supply shift
KW  - Yields
ER  -