A platform for research: civil engineering, architecture and urbanism
June 25 n 26-27 p 319-323: Types of arches employed and cost data. July 23 n 30-31 p 353-358: Types of concrete construction.
Construction of roadway supports of steel and concrete in westphalian coal mines
Ausbau von Hauptfoerderderstrecken in Eisen und Beton auf westfaelischen Steinkohlengruben
Vollmar (author)
Bergbau ; 44
1931
24 Figs
Article (Journal)
German
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