@article{1363958,
      author = {Verbeke, Geert, and Molenberghs, Geert,},
      url = {http://library.usi.edu/record/1363958},
      title = {Linear mixed models in practice : an SAS-oriented approach  /},
      recid = {1363958},
      pages = {1 online resource (308 pages) :},
}