@article{Wissing:298215,
      recid = {298215},
      author = {Wissing, G. J.},
      title = {Front Matter},
      journal = {Agrekon},
      address = {1970-07},
      year = {1970},
      url = {http://ageconsearch.umn.edu/record/298215},
      doi = {https://doi.org/10.22004/ag.econ.298215},
}