• Investigations of automotive turbocharger acousticsTiikoja, Heiki; Rämmal, Hans; Abom, Mats; Boden, HansSAE international journal of engines2011 / p. 2531-2542
• On the acoustic impedance of a fibreless sound absorptive elementAuriemma, Fabio; Tiikoja, HeikiSAE international journal of engines2015 / p. 2268-2275 : ill https://doi.org/10.4271/2015-24-2462 https://www.scopus.com/sourceid/19700174711 https://www.scopus.com/record/display.uri?eid=2-s2.0-84945162609&origin=inward&txGid=7535db47b6fdfc2c84b021665df964ca