@article{371497,
      author = {Pearson, C. J. and Ison, R. L.},
      url = {http://library.usi.edu/record/371497},
      title = {Agronomy of grassland systems [electronic resource] /},
      publisher = {Cambridge University Press,},
      recid = {371497},
      pages = {xii, 222 p. :},
      address = {Cambridge [England] ;},
      year = {1997},
}