@article{Friggens:232766,
      recid = {232766},
      author = {Friggens, W.T. and Colman, D.R.},
      title = {Regional Differences in the Strucutre of the United  Kingdom Pig Industry},
      address = {1969-03},
      number = {1656-2016-136062},
      series = {Bulletin},
      pages = {22},
      year = {1969},
      url = {http://ageconsearch.umn.edu/record/232766},
      doi = {https://doi.org/10.22004/ag.econ.232766},
}