6Litvin F L,Lu J,Townsend D P,et al.Computerized simulation of meshing of conventional helical involute gears and modification of geometry[J].Mechanism and Machine Theory,1999,34(2):123-147.
7Litvin F L,Fuentes A,Fan Q,et al.Computerized design,simulation of meshing and contact,and stress analysis of face-milled formate generated spiral bevel gears[J].Mech.Machine Theory,2002,37(5):441-459.
8Litvin F L.Gear Geometry and Applied Theory[M].New Jersey:Prentice Hall,1994:56-62.
9Litvin F L,Gutman Y.Methods of Synthesis and Analysis of Hypoid Gear Drives of‘Formate’and‘Helixform’,part1-3[M].ASME of Mech.Design,1981:83-113.
10Litvin F L,Gutman Y.A Method of Local Synthesis of Gears Grounded on the Connection Between the Principal and Geodetic Curvatures of Surfaces[J].ASME J.of Mech.Design,1981:114-125.
