TY  - BOOK
AU  - Kovári,K.
AU  - Fechtig,Robert
TI  - Historical tunnels in the Swiss Alps
SN  - 3726600418
PY  - 2000///
CY  - Zurich : 
PB  - Society for the Art of Civil Engineering, 
KW  - Tuneles
KW  - Alpes
ER  -