Novak, Doris, Tino Bucak, and Tomislav Radišić. “Development, Design and Flight Test Evaluation of Continuous Descent Approach Procedure in FIR Zagreb”. Promet - Traffic&Transportation 21, no. 5 (March 2, 2012): 319-329. Accessed December 3, 2021. http://traffic.fpz.hr/index.php/PROMTT/article/view/247.