Biodiversity Heritage Library
By "Elder, William A. "
Economies of size of Illinois cash-grain & hog farms / by Roy N. Van Arsdall and William A. Elder.
By: Van Arsdall, Roy Neuman, - Elder, William A.
Publication info: Urbana, Ill. :University of Illinois, College of Agriculture, Agricultural Experiment Station,1969.
Contributed by: University Library, University of Illinois Urbana Champaign