@article{1414854,
      author = {Pawlowsky-Glahn, Vera, and Egozcue, Juan J., and  Tolosana-Delgado, Raimon,},
      url = {http://library.usi.edu/record/1414854},
      title = {Modelling and analysis of compositional data /},
      recid = {1414854},
      pages = {1 online resource (275 pages) :},
}