The accordion keyboard - The problem of background noise
 Combination tones in the Cassotto accordion
 On the use of the terms suspended tone tuning and tremolo tuning
 The tuning of the harmonica instruments
 On the problem of pitch inconsistency of newly tuned reeds
 Beats in the tuning practice of harmonica instruments
 On the influence of tone hole dimensions on the pitch of harmonica instruments
 Tuning Practice of Harmonica Instruments - Bellows versus Tuning Table
 Essays on individual problems. 58 pages, 21 illustrations, 5 tables, DIN A4 format, paperback, 1st edition 2005, ISBN 3-00-016810-9