Excavation bracing in the Berlin Method of subway construct-ion / by Franz Harms and Richard Berz; translated by D. A. -Sinclair.
Harms, Franz.
Excavation bracing in the Berlin Method of subway construct-ion / by Franz Harms and Richard Berz; translated by D. A. -Sinclair. - Ottawa, [Canada] : esearch - 42 p. - Technical translation; 932 .
Excavation bracing in the Berlin Method of subway construct-ion / by Franz Harms and Richard Berz; translated by D. A. -Sinclair. - Ottawa, [Canada] : esearch - 42 p. - Technical translation; 932 .