Buhlmann, Hans. Course in credibility theory and its applications / Hans Buhlmann, Alois Gisler. - Berlin ; New York : Springer, 2005. - xviii, 331 p. : ill. (chiefly col.) ; ISBN: 3540257535 (pbk.) Subjects--Topical Terms: Credibility theory (Insurance) Universal Decimal Class. No.: 519.218 / BUH