Symposium Rock Mechanics Contributions and Challenges Colorado), Hustrulid, W. A., & Johnson, G. A. (1990). Rock mechanics contributions and challenges: Proceedings of the 31 st U.S. Symposium. Rotterdam, Netherlands: A.A. Balkema.
Chicago Style CitationSymposium Rock Mechanics Contributions and Challenges Colorado), William A. Hustrulid, and Guy A. Johnson. Rock Mechanics Contributions and Challenges: Proceedings of the 31 St U.S. Symposium. Rotterdam, Netherlands: A.A. Balkema, 1990.
MLA CitationSymposium Rock Mechanics Contributions and Challenges Colorado), William A. Hustrulid, and Guy A. Johnson. Rock Mechanics Contributions and Challenges: Proceedings of the 31 St U.S. Symposium. Rotterdam, Netherlands: A.A. Balkema, 1990.
Warning: These citations may not always be 100% accurate.