@article{Ginzel:30513, recid = {30513}, author = {Ginzel, J.A. and Kehrberg, E.W. and Irwin, George D.}, title = {THE MIDDLE SIZED FARMING OPERATION: A GOODS-AND-SERVICES FIRM?}, journal = {Southern Journal of Agricultural Economics}, address = {1971-12}, number = {1378-2016-110041}, pages = {6}, year = {1971}, url = {http://ageconsearch.umn.edu/record/30513}, doi = {https://doi.org/10.22004/ag.econ.30513}, }