@article{Hoyt:13585, recid = {13585}, author = {Hoyt, John S., Jr.}, title = {MINNESOTA'S REGIONAL SYSTEMS}, address = {1969}, number = {1701-2016-139315}, series = {Staff Paper P69-23}, pages = {25}, year = {1969}, url = {http://ageconsearch.umn.edu/record/13585}, doi = {https://doi.org/10.22004/ag.econ.13585}, }