@article{TUW-109085, author = {Kaniusas, Eugenijus and Pf{\"u}tzner, Helmut and Saletu, Bernd}, title = {Acoustical Signal Properties for Cardiac/respiratory Activity and Apneas}, journal = {{IEEE} Transactions on Biomedical Engineering}, year = {2005}, volume = {52}, number = {11}, pages = {1812--1822} }