@article{866200,
      author = {Greene, Stephanie L., and Williams, Karen A. and Khoury,  Colin K. and Kantar, Michael B. and Marek, Laura F.},
      url = {http://library.usi.edu/record/866200},
      title = {North American crop wild relatives., Volume 2,: Important  species /},
      recid = {866200},
      pages = {1 online resource},
}