@article{Mussell:18095,
      recid = {18095},
      author = {Mussell, Al and Martin, Larry J.},
      title = {FIRM-LEVEL FORCES UNDERLYING CONCENTRATION IN AGRICULTURE},
      address = {2002},
      number = {861-2016-60361},
      pages = {22},
      year = {2002},
      url = {http://ageconsearch.umn.edu/record/18095},
      doi = {https://doi.org/10.22004/ag.econ.18095},
}