@article{Vogel:296211,
      recid = {296211},
      author = {Vogel, Gisbert},
      title = {Über Arbeitsproduktivität},
      journal = {German Journal of Agricultural Economics/ Agrarwirtschaft},
      address = {1954},
      year = {1954},
      url = {http://ageconsearch.umn.edu/record/296211},
      doi = {https://doi.org/10.22004/ag.econ.296211},
}