(1980). Tunnel - Planung, Bau, Betrieb und Umweltschutz: = Tunnels - Planning, construction, operation and environmental protection. Alba Buchverl.
Chicago Style (17th ed.) CitationTunnel - Planung, Bau, Betrieb Und Umweltschutz: = Tunnels - Planning, Construction, Operation and Environmental Protection. Düsseldorf: Alba Buchverl, 1980.
MLA (9th ed.) CitationTunnel - Planung, Bau, Betrieb Und Umweltschutz: = Tunnels - Planning, Construction, Operation and Environmental Protection. Alba Buchverl, 1980.
Warning: These citations may not always be 100% accurate.