TY  - BOOK
ED  - Plenary Scientific Session of the International Bureau of Rock Mechanics, World Mining Congress
TI  - Mining systems adjusted to high rock pressure conditions: proc. of the 9th Plenary Scientific Session of the Intl. Bureau of Strata Mechanics, World Miniing Congress, Varna, 18-21 June, 1985 
SN  - 9061916585
PY  - 1985///
CY  - Rotterdam
PB  - A. A. Balkema
KW  - Mining engineering
KW  - Congresses
KW  - Rock mechanics
N1  - Includes bibliographies
ER  -