@article{792137,
      author = {Afriat, S. N.,},
      url = {http://library.usi.edu/record/792137},
      title = {The price index and its extension: a chapter in economic  measurement /},
      publisher = {Routledge,},
      recid = {792137},
      pages = {xxviii, 421 p. :},
      address = {London ;},
      year = {2005},
}