De Haske Hören Lesen Schule 2 Clar.Oeh, School for Clarinet, Part 2 of the clarinet school in the Oehler system, By Michiel Oldenkamp, Jaap Kastelein and Joop Boerstoel, ISBN 9789043109116, publisher's no. DHP 1001991-404, Format: DIN A4, 52 Pages, In German language, Includes download with play-along recordings