(1989). Topology of modified helical gears / F.L. Litvin ... [and others] ; prepared for the 5th International Power Transmission and Gearing Conference sponsored by the American Society of Mechanical Engineers, Chicago, Illinois, April 24-27, 1989.
Чикаго-гийн эшлэл (17 дахь хэвлэлт)Topology of Modified Helical Gears / F.L. Litvin ... [and Others] ; Prepared for the 5th International Power Transmission and Gearing Conference Sponsored by the American Society of Mechanical Engineers, Chicago, Illinois, April 24-27, 1989. 1989.
MLA -ийн эшлэл (9 дэх хэвлэлт)Topology of Modified Helical Gears / F.L. Litvin ... [and Others] ; Prepared for the 5th International Power Transmission and Gearing Conference Sponsored by the American Society of Mechanical Engineers, Chicago, Illinois, April 24-27, 1989. 1989.