Veress, A., J. Rohacs, I. Santa, and T. Gausz. “Direct Numerical Optimisation of a Fuel Jet Pump Based on a Pseudo-Compressibility Method Using Characteristic Boundary Conditions”. Communications - Scientific Letters of the University of Zilina, Vol. 7, no. 4, Dec. 2005, pp. 18-22, http://journals.uniza.sk/index.php/communications/article/view/1261.