@article{Higdon:257704,
      recid = {257704},
      author = {Higdon, Frank and Janke, Ronda R. and Musser, Wesley N.},
      title = {An Annotated Bibliography of Selected Literature on  Reduced Tillage and Related Low Input Production Practices  of Relevance for Pennsylvania},
      address = {1989-09-01},
      number = {1898-2017-1040},
      series = {207},
      pages = {34},
      year = {1989},
      url = {http://ageconsearch.umn.edu/record/257704},
      doi = {https://doi.org/10.22004/ag.econ.257704},
}