TY  - BOOK
AU  - Mighell, Ronald L.
AU  - Black, John Donald.
TI  - Interregional competition in agriculture, with special refereference to dairy farming in the Lake states and New England
T2  - Harvard economi studies
U1  - 338.0185 
PY  - 1951///
CY  - Cambridge, Mass.
PB  - Harvard University Press
KW  - Competencia interregional
ER  -