(1970). Proceedings of the 2nd congress of the International Society for Rock Mechanics: 21. - 26. September 1970 ([1st ed.].). Institute for Development of Water Resources.
Citace podle Chicago (17th ed.)Proceedings of the 2nd Congress of the International Society for Rock Mechanics: 21. - 26. September 1970. [1st ed.]. Beograd: Institute for Development of Water Resources, 1970.
Citace podle MLA (9th ed.)Proceedings of the 2nd Congress of the International Society for Rock Mechanics: 21. - 26. September 1970. [1st ed.]. Institute for Development of Water Resources, 1970.
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