@book{Quirk:1972,
  added-at = {2007-12-14T02:45:29.000+0100},
  address = {Harlow, UK},
  author = {Quirk, Randolph and Greenbaum, Sidney and Leech, Geoffrey and Svartvik, Jan},
  biburl = {http://www.bibsonomy.org/bibtex/2bdd6761816572f92ec958474967412dc/diego_ma},
  interhash = {8fde13236a45d5e82b4bda43572d6790},
  intrahash = {bdd6761816572f92ec958474967412dc},
  keywords = {grammar},
  publisher = {Longman},
  timestamp = {2007-12-14T02:45:29.000+0100},
  title = {A Grammar of Contemporary English},
  year = 1972
}