KARŁOWICZ, P., LIWSKI, J., PIECHOCKI, M., SECOMSKI, W., & NOWICKI, A. (2014). Digital velocity profile estimator of blood flow in the heart and large blood vessels. Archives of Acoustics, 15(3-4), 355-365. https://acoustics3.ippt.pan.pl/index.php/aa/article/view/1294