Ангелова, Д., & Tyufekchian, A.
(1995).
Four-Dimensional Extended Geometric Blocking Contours of Cylindrical Involute Gear Drives. // <I>Gear Transmissions' 95<D>: International Congress, Sofia, Bulgaria, 26-28 September 1995: Proc.: Vol.2.- Sofia,1995, p. 223-226..