Symposium on Rock Mechanics Pennsylvania State University, United States. National Committee for Rock Mechanics, Pennsylvania State University, Hardy, H. R., & Stefanko, R. (1973). New horizons in rock mechanics : proceedings / edited by H. Reginald Hardy, Jr. and Robert Stefanko: Proceedings. American Society of Civil Engineers.
Chicago Style (17th ed.) CitationSymposium on Rock Mechanics Pennsylvania State University, United States. National Committee for Rock Mechanics, Pennsylvania State University, Henry R. Hardy, and Robert Stefanko. New Horizons in Rock Mechanics : Proceedings / Edited by H. Reginald Hardy, Jr. and Robert Stefanko: Proceedings. New York: American Society of Civil Engineers, 1973.
MLA (9th ed.) CitationSymposium on Rock Mechanics Pennsylvania State University, et al. New Horizons in Rock Mechanics : Proceedings / Edited by H. Reginald Hardy, Jr. and Robert Stefanko: Proceedings. American Society of Civil Engineers, 1973.