Larsen, J.O., Grimstad, E., Bhasin, R., Dhawan, A.K., Singh, R. and Verma, S.K. 2000. Landslides and their mitigation in Gangtok, Sikkim. Journal of Nepal Geological Society. 22, (Dec. 2000), 585–590. DOI:https://doi.org/10.3126/jngs.v22i0.32434.