5th International Strata Control Conference, London, 1972
An edition of 5th International Strata Control Conference, London, 1972 (1972)
By International Strata Control Conference (5th 1972 London, England)
Publish Date
1972
Publisher
National Coal Board
Language
eng
Pages
62
1-1 of 1 Editions
5th International Strata Control Conference, London, 1972
Language: eng
Pages: 62
Published In: 1972
Publisher: National Coal Board