1. Anbalagan, R., Sharma, S., and Raghuvanshi, T.K. (1992) Rock mass stability evaluation using modified SMR approach. Proc. 6th Natural Symposium on Rock Mechanics, Bangalore, India, 1992. pp.258–268.
2. Basahel, H., and Mitri, H. (2017) Application of rock mass classification systems to rock slope stability assessment: A case study. Jour. Rock Mech. Geotech. Engg., v.9, pp.993–1009.
3. Bhattacharya, S.K. (2018) Geomorphometric analysis and terrain evaluation for environmental management in the Kurseong hill subdivision of the Darjeeling district, West Bengal, India. Environ. Dev. Sustain. DOI: https://doi.org/10.1007/s10668-018-0230-z
4. Bieniawski, Z.T. (1973) Engineering classification of jointed rock masses. Trans. S. Afr. Inst. Civil Engg., v.15, pp.335–344.
5. Bieniawski, Z.T. (1974) Geomechanics classification in rock masses and its application in tunneling. Advances in rock mechanics, Proc. 3rd Congress of ISRM, National Academy of Sciences, Washington, D.C., II (A), pp.27–32.