@inbook{Boruttau+1941+61+67,
url = {https://doi.org/10.1515/9783486775488-010},
title = {DIE AUSSPRACHE},
booktitle = {Über Grundlagen Ausbau und Grenzen der Stimmkunst},
author = {Alfred Julius Boruttau},
publisher = {Oldenbourg Wissenschaftsverlag},
address = {Berlin, Boston},
pages = {61--67},
doi = {doi:10.1515/9783486775488-010},
isbn = {9783486775488},
year = {1941},
lastchecked = {2026-05-05}
}