7Litvin F L,Wang J C, Bossier R B ,et al. Application of Face Gear Drives in Helicopter Transmission [ R]. NASA-TM_ 105655,1992. 被引量：1
8Faydor L Litvin,J C Wang,R B Jr. Bossier and D. C. Lewic- ki. Application of Face-gear Drives in Helicopter Transmis- sions [ J ]. ASME Journal of Mechanical Design, 1994,24 : 672 - 676. 被引量：1
9F L Litvin, A Egelija, J Tan et al. Computerized Design, Generation and Simulation of Meshing of Orthogonal Offset Face-gear Drive with a Spur Involute Pinion with Localized Bearing Contact[ J]. Mechanism and Machine Theory, 1998, 33(12) :87 - 102. 被引量：1
10Gregory F Heath, Robert R Filler, Jie Tan. Development of face gear technology for industrial and aerospace power transmission [ R]. NASA/CR-2002 -211320,2002. 被引量：1
