ALÁČ, Patrik - GIERTLIOVÁ, Blanka - ČULÍK, Martin. Quantification and parametrisation of supply chain in the production of musical instruments. In Proceedings of the international conference "Acoustics 2019 High Tatras" : a joint event of MAP and ATF 2019 [elektronický zdroj]. - Zvolen : Technical University in Zvolen, 2019. ISBN 978-80-228-3157-4, p. 18-27 [online]. APVV-18-0520 ; ITMS 313011T720. Dostupné na internete: <http://acoustics.sk/zborniky/Proceedings-ACOUSTICS-2019-High-Tatras.pdf>