@misc{indiciaeb6c08f7fb42a, title = {Electrical impedance plethysmography - A critical analysis.}, author = {Fling, J. L. and Hill, R. V. and Jansen, J. C.}, year = {1967}, url = {https://ntrs.nasa.gov/citations/19680029998}, note = {Source identifier: 19680029998} }