Authors: Thomas Haberkorn, Ioana Koglbauer, Reinhard Braunstingl This study addresses problems in pilots’ interaction with conventional traffic advisory systems during simulated visual flight.Human-Machine Systems, IEEE Transactions on, vol. 44, no. 6, pp. 755-766, Dec 2014 Link

Author: Frühwirth, K. About Modern Anti-Collision Systems in Avionics,
Sky Revue Magazine (German), Issue 6 of 2014. p. 40. Link

Authors: Thomas Haberkorn, Ioana Koglbauer, Reinhard Braunstingl, and Boris Prehofer In this simulator study, we evaluated the benefits and limitations of a collision warning system for flight according to visual flight rules (VFR). Human-Machine Systems, IEEE Transactions on, vol. 43, no. 6, pp. 583-594, Nov 2013. Link