The role of the popliteofibular ligament in stability of the human knee. A biomechanical study. Veltri DM, Deng XH, Torzilli PA, Maynard MJ and Warren RF. Am J Sports Med. 1996 Jan-Feb;24(1):19-27.
The Role of the Peripheral Passive Rotation Stabilizers of the Knee With Intact Collateral and Cruciate Ligaments: A Biomechanical Study. Vap AR, Schon JM, Moatshe G, Cruz RS, Brady AW, Dornan, GJ, Turnbull TL and LaPrade RF. Orthop J Sports Med. 2017 May; 5(5): 2325967117708190.