APA Citation

Brekke, T. L., & Jorstad, F. A. (1970). Large permanent underground openings: Proceedings of the international symposium held in Oslo 23-25 September 1969. Oslo: Universitetsforlaget.

Chicago Style Citation

Brekke, Tor L., and Finn A. Jorstad. Large Permanent Underground Openings: Proceedings of the International Symposium Held in Oslo 23-25 September 1969. Oslo: Universitetsforlaget, 1970.

MLA Citation

Brekke, Tor L., and Finn A. Jorstad. Large Permanent Underground Openings: Proceedings of the International Symposium Held in Oslo 23-25 September 1969. Oslo: Universitetsforlaget, 1970.

Warning: These citations may not always be 100% accurate.