Concertina ergonomics 7 : fingering
Rahm, Goran
Concertina ergonomics 7 : fingering / Goran Rahm - 2009. - p. 23-28 : ill.
Periodical article.
Advice on fingering for various concertina keyboard systems.
Concertina world & music supplement (ICA) , 444 (December 2009), p. 23-28