@BOOK{BGQR16,
AUTHOR = {Solomija Buk, Dirk Goldhahn, Uwe Quasthoff and Andrij Rovenchak},
TITLE = {Frequency Dictionary Ukrainian - Частотний словник української мови},
PUBLISHER = {Uwe Quasthoff, Sabine Fiedler and Erla Hallsteindóttir (eds.). Leipziger Universitätsverlag},
YEAR = {2016}
}