ČULÍK, Martin - JOCHIM, Stanislav. Measuring the apparent sound reduction index of ceilings in timber structures. In Material - Acoustics - Place 2017 : book of abstracts [elektronický zdroj]. - Zvolen : Technical University in Zvolen, 2017. ISBN 978-80-228-2948-9, [2] p. [CD-ROM]. KEGA 022TU Z-4/2017. Dostupné na internete: <http://acoustics.sk/zborniky/Book-of-Abstracts_MAP-2017.pdf>