@article{Bradley_Birta_1999, title={IBANA - Insulating buildings against noise from aircraft}, volume={27}, url={https://jcaa.caa-aca.ca/index.php/jcaa/article/view/1222}, number={3}, journal={Canadian Acoustics}, author={Bradley, J.S. and Birta, J.A.}, year={1999}, month={Sep.}, pages={70–71} }