@article{890530,
      recid = {890530},
      author = {Howitt, Richard E., and Msangi, Siwa, and MacEwan,  Duncan,},
      title = {Applied methods for agriculture and natural resource  management : a festschrift in honor of Richard E. Howitt /},
      pages = {1 online resource.},
      url = {http://library.usi.edu/record/890530},
}