@article{Irwin:198808,
      author = {Irwin, Scott and Good, Darrel and Schnitkey, Gary},
      title = {{What Can We Learn About Corn and Soybean Yields From Crop  Tours?}},
      journal = {farmdoc daily},
      volume = {Volume 4},
      series = {farmdoc daily},
      pages = {5},
      month = {Aug},
      year = {2014},
}