IS 5878-2-3: Code of Practice for Construction of Tunnels Conveying Water, Part II: Underground Excavation in Rock, Section 3: Tunneling Method for Steeply Inclined Tunnels, Shafts and Underground Power Houses Bureau of Indian Standards
On the Motion of a Plate of Metal on an Inclined Plane, When Dilated and Contracted; and on the Descent of Glaciers. H. Moseley