@article{810109,
      recid = {810109},
      author = {Murphy, Denis J.},
      title = {People, plants, and genes the story of crops and humanity  / [electronic resource] :},
      publisher = {Oxford University Press,},
      address = {Oxford ;},
      pages = {xxiv, 401 p. :},
      year = {2007},
      url = {http://library.usi.edu/record/810109},
}