Pre One:[7] Yaping Zhao*, et al.. Tooth Flank Modification Theory of Dual-Torus Double-Enveloping Hourglass Worm Drives, Computer-Aided Design, 2011, 43 (12), pp. 1535-1544. (SCI)
Next One:[5] Zhao Yaping*, et al. Mesh theory of angle modified dual tori double-enveloping toroidal worm drive. Science China Technological Sciences, 2010, 53(7), pp. 1913-1927. (SCI)