@article{Richardson:257913,
      recid = {257913},
      author = {Richardson, James W.},
      title = {Modeling of Economic Systems},
      address = {1988-04-01},
      number = {1897-2017-1208},
      series = {88-5},
      pages = {23},
      year = {1988},
      url = {http://ageconsearch.umn.edu/record/257913},
      doi = {https://doi.org/10.22004/ag.econ.257913},
}