@article{Heimlich:159782,
      author = {Heimlich, Ralph E.},
      title = {{Economics and Environmental Effects of Manure Handling  Systems for Northeastern Dairy Farms}},
      journal = {Journal of the Northeastern Agricultural Economics  Council},
      volume = {Volume 11},
      number = {Number 1},
      pages = {45. - 12},
      year = {1982},
}