Auktorisation av betongfabriker = Autorization of concrete -factories / Birger Warris.
Warris, Birger.
Auktorisation av betongfabriker = Autorization of concrete -factories / Birger Warris. - [Estocolmo, Suecia] : Research Institute - 15 p. - Reprint; 24 .
Auktorisation av betongfabriker = Autorization of concrete -factories / Birger Warris. - [Estocolmo, Suecia] : Research Institute - 15 p. - Reprint; 24 .