@article{Michael:157602,
      recid = {157602},
      author = {Michael, Louis G.},
      title = {Agricultural Survey of Europe: The Danube Basin - Part 2,  Rumania, Bulgaria, and Yugoslavia},
      address = {1929-10},
      number = {1471-2016-120681},
      series = {Technical Bulletin},
      pages = {189},
      year = {1929},
      url = {http://ageconsearch.umn.edu/record/157602},
      doi = {https://doi.org/10.22004/ag.econ.157602},
}