2007 - Scientific considerations: Acoustics of the HANG: A hand-played steel instrument

[PDF] ACOUSTICS OF THE HANG: A hand-played steel instrument | Semantic Scholar

Article on HangBlog:

Acoustics of the HANG: A hand-played steel instrument

T. Rossing, Andrew Morrison, U. Hansen, F. Rohner, S. Schärer.
Published 2007 – Engineering

See also: Spanish description on handpan.es:

https://handpan.es/pan-freak/documentos-tecnicos/el-hang-un-steel-drum-tocado-a-mano-documento-presentado-ante-la-asa