Hong, Liangjie, Yin, Dawei, 0002, Jian Guo, 0001, Brian D. Davison ; Apté, Chid, Ghosh, Joydeep, Smyth, Padhraic: Tracking trends: incorporating term volume into temporal topic models.. In: KDD : ACM, 2011. - ISBN 978-1-4503-0813-7, S. 484-492