00813nam a22002537a 4500001000600000003000600006005001700012008004100029020001500070082001500085100002200100245006900122250001900191260007100210300003700281490004600318500001900364504003100383650003500414650003000449650003300479650002600512650002100538u5062SIRSI20250825175025.0231016s1994 gw a r 001|0 eng c a087849094904a624.192211 aStillborg, Bengt.10aProfessional users handbook for rock bolting /cBengt Stillborg. aSecond edition aClausthal-Zellerfeld, Germany :bTrans Tech Publications,c©1994. axii, 164 pages :billustrations.0 aSeries on rock and soil mechanics ;vv.18 aIncludes index aBibliografía: page [111] 7aMecánica de rocas.2localuoh aRock mechanics 2localuoh 7aPernos para rocas.2localuoh aRock bolts 2localuoh 7aRocas.2localuoh