TY  - SER
TI  - The Journal of agricultural economics research
SN  - 0000-0000
U1  - 338.1 
PY  - 1949///?]-1993
CY  - Washington
PB  - The U.S. Department of Agricultural Economics Research Service
N1  - Description d'après : Vol. 38, n° 2 (1986)
ER  -