TY  - BOOK
AU  - H.C.M. Case
AU  -  D.B. Williams, 
TI  - Fifty years of farm management
U1  - 658.93 
PY  - 1957///
CY  - Urbana
PB  - University of Illinois Press
N1  - H.C.M. Case & D.B. Williams: Fifty years of farm management.  Urbana.  University of Illinois Press, 1957.--(658.93CAS)
ER  -