cam a22 u 4500 128643617 CHVBK 20200921121621.0 880212s1979 sw | 00 |eng|d (OCoLC)637131296 (NEBIS)000240157 ETH-BIB ger ETH-BIB ETHICS-ISBD European views on mechanical boring versus drill and blast tunneling Gunnar Nord, Per-Anders Persson, Duri Prader Stockholm SveDeFo 1979 26 f. 30 cm fig.; tab. Swedish detonic research Foundatio report DS, 1979/19 *1979/19* (NEBIS)000065126 12675330X EUROPA ger (ETHUDK)000001583 ethudk SPRENGVORTRIEB (TUNNELBAU) ger (ETHUDK)000058781 ethudk TUNNELBAUVERFAHREN (TUNNELBAU) ger (ETHUDK)000029945 ethudk VORTRIEB MIT TUNNELBOHRMASCHINEN (TUNNELBAU) ger (ETHUDK)000058796 ethudk u TUNNELBAUVERFAHREN (TUNNELBAU) ger 624.191 nebis E1 u SPRENGVORTRIEB (TUNNELBAU) ger 624.191.25 nebis E1 u VORTRIEB MIT TUNNELBOHRMASCHINEN (TUNNELBAU) ger 624.191.27 nebis E1 u EUROPA ger (4) nebis E1 u MÉTHODES DE PERCEMENT DE TUNNELS (CONSTRUCTION DE TUNNELS) fre 624.191 nebis E1 u TUNNELLING METHODS (TUNNELLING) eng 624.191 nebis E1 u DRILL AND BLAST DRIVING (TUNNELLING) eng 624.191.25 nebis E1 u PERCEMENT À L'EXPLOSIF (CONSTRUCTION DE TUNNELS) fre 624.191.25 nebis E1 u FORAGE MÉCANIQUE (CONSTRUCTION DE TUNNELS) fre 624.191.27 nebis E1 u MECHANICAL TUNNEL BORING (TUNNELLING) eng 624.191.27 nebis E1 u EUROPE eng (4) nebis E1 u EUROPE fre (4) nebis E1 Nord Gunnar Persson Per-Anders Prader Duri BK020000 XK020000 XK020000 NEBIS E16 E16 RH 2 CONV 2717 NEBIS 490 -- Swedish detonic research Foundatio report DS, 1979/19 *1979/19* (NEBIS)000065126 12675330X NEBIS 700 1- Nord Gunnar NEBIS 700 1- Persson Per-Anders NEBIS 700 1- Prader Duri