Larsen, J. O., E. Grimstad, R. Bhasin, A. K. Dhawan, R. Singh, and S. K. Verma. “Landslides and Their Mitigation in Gangtok, Sikkim”. Journal of Nepal Geological Society, vol. 22, Dec. 2000, pp. 585–590, doi:10.3126/jngs.v22i0.32434.