Contact Ratio of Gears, Tooth Modifications, and the Relationship Among The Gears In A Planetary Gear System - SDPSI
Calculating the amount of teeth on ring gear in planetary gear system - Engineering Stack Exchange
Epicyclic Gears - Roy Mech
Transmission ratios of planetary gears (Willis equation) - tec-science
Planetary gear ratio calculations
Planetary Gearset Ratios - Compass Automatic Gear
Gear Ratio Calculator
Graphical method for the analysis of planetary gear trains - ScienceDirect
ZAR5 Planetary Gearings Calculation
Gear Systems | KHK Gear Manufacturer
Applied Sciences | Free Full-Text | The Effects of the Planet–Gear Manufacturing Eccentric Errors on the Dynamic Properties for Herringbone Planetary Gears
simple planetary gear set how to work and calculate - Mechanicaleng blog
Example diameter of planetary gear train - YouTube
Calculating Epicyclic/Planetary gear ratio | Model Engineer