@techreport{zhu02:_overc_non_station_in_uncom_learn,
  author = {Shenghuo Zhu and Dana H. Ballard},
  title = {Overcoming Non-stationary in Uncommunicative
                  Learning},
  institution = {University of Rochester, Computer Science
                  Department},
  year = 2002,
  type = {TR},
  number = 762,
  url = {ftp://ftp.cs.rochester.edu/pub/papers/ai/02.tr762.Overcoming_non-stationarity_in_uncommunicative_learning.ps.gz}
}