LINKS:
The following web pages are worth visiting:
Hang zum Schönen -
Designagentur
[http://www.hangzumschoenen.de]
German Association for Water, Wastewater and Waste (DWA)
[http://en.dwa.de]
Ingenieurkammer Rheinland-Pfalz
[https://ing-rlp.de/]
Güteschutz Kanalbau e.V.
[http://www.kanalbau.com/]
German Association of Consulting Engineers - VBI (Verband Beratender Ingenieure)
[http://www.vbi.de/english/]
