De Haske Hören Lesen Schule 3 Clar. Oehl., School for Clarinet, For clarinet with Oehler system - part 3, By Michiel Oldenkamp and Jaap Kastelein, Edited by Joop Boerstoel, ISBN 9789043114202, publisher's no. DHP 1013020-400, Format: DIN A4, 56 Pages, In German language, Includes download with play-along recordings