1.
Noncircular Gears: Design and Generation
by Litvin, Faydor, Fuentes-Azn...
ISBN: 9780521761703
List Price: $115.00
2.
Noncircular Gears: Design and Generation
by Faydor L. Litvin, Alfonso F...
ISBN: 9781107683525
List Price: $39.99