@article{TUW-111381, author = {Kaniusas, Eugenijus and Pf{\"u}tzner, Helmut and Mehnen, Lars}, title = {Optical tissue absorption sensor on the thorax: Possibilities and restrictions}, journal = {International Journal of Applied Electromagnetics and Mechanics}, year = {2007}, volume = {25}, number = {1-4}, pages = {649--655} }