Kovári, K.
Historical tunnels in the Swiss Alps - Zurich : Society for the Art of Civil Engineering, 2000. - v.2, 128 páginas
3726600418
Tuneles
Alpes
Historical tunnels in the Swiss Alps - Zurich : Society for the Art of Civil Engineering, 2000. - v.2, 128 páginas
3726600418
Tuneles
Alpes