@BOOK{FGQ12,
AUTHOR = {Sabine Fiedler, Dirk Goldhahn and Uwe Quasthoff},
TITLE = {Frequency Dictionary English},
PUBLISHER = {Uwe Quasthoff, Sabine Fiedler and Erla Hallsteindóttir (eds.). Leipziger Universitätsverlag},
YEAR = {2012}
}