OBERT, L. (1967). Rock mechanics and design of stuctures in rock Leopnard Obert, Wiley I Duvall. John Wiley And Sons.
Chicago Style (17th ed.) CitationOBERT, Leonard. Rock Mechanics and Design of Stuctures in Rock Leopnard Obert, Wiley I Duvall. John Wiley And Sons, 1967.
MLA (8th ed.) CitationOBERT, Leonard. Rock Mechanics and Design of Stuctures in Rock Leopnard Obert, Wiley I Duvall. John Wiley And Sons, 1967.
Warning: These citations may not always be 100% accurate.