@article{Moustafa:233017,
      recid = {233017},
      author = {Moustafa, Rasmia and Green, Richard and Blaylock, James},
      title = {Estimated Engel Functions for Wheat and Wheat Products i  Egypt: Testing for Urban-Rural Differences and Flexible  Functional Forms},
      address = {1982-01},
      number = {1566-2016-133373},
      series = {60},
      pages = {17},
      year = {1982},
      url = {http://ageconsearch.umn.edu/record/233017},
      doi = {https://doi.org/10.22004/ag.econ.233017},
}