LEADER 00000nam 2200205 a 4500 001 0900488549 003 UkHlHU 007 t 008 970922s1980 LON 000 020 0900488549 040 UkHlHU 100 1 Hoek, Evert,|d1933- 245 10 Underground excavations in rock /|cE. Hoek, E. T. Brown. 260 London :|bInstitution of Mining and Metallurgy,|c1980. 300 527p. 650 0 Rock excavation. 650 0 Quarries and quarrying. 700 1 Brown, E T. 936 UCS bib. record
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