Concertina ergonomics 5 : supporting the instrument
Rahm, Goran
Concertina ergonomics 5 : supporting the instrument / Goran Rahm - 2009. - p. 22-27 : ill.
Periodical article.
Holding positions.
Concertina world & music supplement (ICA) , 442 (Spring 2009), p. 22-27