1. Mahn J. RR-331: Guide to calculating airborne sound transmission in buildings: 6th Edition. RR-331. Ottawa, ON: National Research Council Canada, https://publications-cnrc.canada.ca/eng/home/ (2023).
2. ISO 10848-1:2017 - Acoustics - Laboratory measurement of the flanking transmission of airborne and impact sound between adjoining rooms - Part 1: Frame document. ISO 10848-1:2017. Geneva: International Standards Organization, 2017.
3. ISO 10848-2:2017 - Acoustics - Laboratory measurement of the flanking transmission of airborne and impact sound between adjoining rooms - Part 2: Application to Type B elements when the junction has a small influence. ISO 10848-2:2017. Geneva: International Standards Organization, 2017.