TY - BOOK ID - 6737447 TI - Rock bolting : a practical handbook AU - Garshol, K. AU - Heltzen, A. M. AU - Schach, R. PY - 1979 SN - 0080225039 9780080225036 PB - Oxford : Pergamon, DB - UniCat KW - Rock bolts KW - Mine roof bolting KW - Rock bolts. UR - https://www.unicat.be/uniCat?func=search&query=sysid:6737447 AB - ER -