Oil, gas resources estimated in the former Soviet Union
Hochleistungs-Sprengvortrieb Vereina-Tunnel Süd
Indian steel industry: challenges of infrastructure needs
Control problems in armored face conveyors for longwall mines
In situ coal gasification: a unique means of energy recovery
Weichen mit Schwellen aus Kunstholz bei der Deutschen Bahn
HDD may not be the answer for all sensitive water crossings
New pressure-drop, holdup equations agree with field data
Unexpected field corrosion leads to new monitoring with revised predictibve model
Der bergmännische Tunnelvortrieb durch den Katzenberg
Kill operation requires thorough analysis. Well control - 3
Korrosionsbeständige Legierungen für Sauergasquellen