APA (7th ed.) Citation

International Bureau of Strata Mechanics. Plenary Scientific Session (9th : 1985 : Varna, Bulgaria). (1986). Mining systems adjusted to high rock pressure conditions: Proceedings of the 9th Plenary Scientific Session of the International Bureau of Strata Mechanics, World Mining Congress, Varna, 18-21 June, 1985. A.A. Balkema.

Chicago Style (17th ed.) Citation

International Bureau of Strata Mechanics. Plenary Scientific Session (9th : 1985 : Varna, Bulgaria). Mining Systems Adjusted to High Rock Pressure Conditions: Proceedings of the 9th Plenary Scientific Session of the International Bureau of Strata Mechanics, World Mining Congress, Varna, 18-21 June, 1985. Rotterdam: A.A. Balkema, 1986.

MLA (9th ed.) Citation

International Bureau of Strata Mechanics. Plenary Scientific Session (9th : 1985 : Varna, Bulgaria). Mining Systems Adjusted to High Rock Pressure Conditions: Proceedings of the 9th Plenary Scientific Session of the International Bureau of Strata Mechanics, World Mining Congress, Varna, 18-21 June, 1985. A.A. Balkema, 1986.