TY  - BOOK
AU  - Stillborg, Bengt
TI  - PROFESSIONAL USERS HANDBOOK FOR ROCK BOLTING
U1  - 624.152 
PY  - 1986///
CY  - Clausthal-Zellerfeld
PB  - Trans Tech Pub.
KW  - Rock-Bolts -- Handbooks, Manuals, Etc
ER  -