Singh, B., & Goel, R. K. 1. (2011). Engineering rock mass classification: Tunneling, foundations, and landslides. Waltham, MA: Butterworth-Heinemann.
Chicago Style CitationSingh, Bhawani, and R. K 1960- Goel. Engineering Rock Mass Classification: Tunneling, Foundations, and Landslides. Waltham, MA: Butterworth-Heinemann, 2011.
MLA CitationSingh, Bhawani, and R. K 1960- Goel. Engineering Rock Mass Classification: Tunneling, Foundations, and Landslides. Waltham, MA: Butterworth-Heinemann, 2011.
Warning: These citations may not always be 100% accurate.