Singh, B., & Goel, R. K. (1999). Rock mass classification : a practical approach in civil engineering / Bhawani Singh & R.K. Goel: A practical approach in civil engineering. Elsevier.
Chicago Style (17th ed.) CitationSingh, Bhawani, and R. K. Goel. Rock Mass Classification : A Practical Approach in Civil Engineering / Bhawani Singh & R.K. Goel: A Practical Approach in Civil Engineering. Amsterdam ; Oxford: Elsevier, 1999.
MLA (9th ed.) CitationSingh, Bhawani, and R. K. Goel. Rock Mass Classification : A Practical Approach in Civil Engineering / Bhawani Singh & R.K. Goel: A Practical Approach in Civil Engineering. Elsevier, 1999.
Warning: These citations may not always be 100% accurate.