@techreport{JmmAndDl93,
  added-at = {2006-09-13T17:44:28.000+0200},
  author = {MacKie-Mason, Jeffrey K. and Lawson, Donna},
  biburl = {http://www.bibsonomy.org/bibtex/2d673b73e667afa941ba9740c188db5f2/jmm},
  description = {JMM master bibtex},
  institution = {University of Michigan},
  interhash = {69d85459923e7efbcdc324296c867a9c},
  intrahash = {d673b73e667afa941ba9740c188db5f2},
  keywords = {imported},
  timestamp = {2006-09-13T17:44:28.000+0200},
  title = {Local Telephone Demand with Optional and Nonlinear
                  Prices},
  year = 1993
}