@inproceedings{TroebsSchandaVoeltl2018, author = {H.-M. Tr{\"o}bs and Ulrich Schanda and R. V{\"o}ltl}, title = {Measurement of the radiation efficiency of suspended ceilings at low frequencies using swept sine excitation and high-frequency resolution}, booktitle = {Internoise 2013}, year = {2018}, }