//-->
PROFIT PATTERNS IN THE U.S. AND THE WEST, 1992 AND 1997: WHAT COUNTY-LEVEL DATA REVEAL
Korb, Penelope J., (2004)
REGIONAL CHANGES IN THE DISTRIBUTION OF NET VALUE ADDED IN U.S. AGRICULTURE, 1960-2002
Erickson, Kenneth W., (2004)
IS AMERICAN AGRICULTURE NEAR THE END OF ITS "LIFE CYCLE"?
Blank, Steven C., (2002)