List of mobile radio transmitters in Germany	http://emf.bundesnetzagentur.de/gisinternet/index.aspx?User=1000&Lang=de
List of all citizen action groups against mobile radio	http://www.izgmf.de/Kontakte/Burgerinitiativen/burgerinitiativen.html
List of organic building biologists in your vicinity	http://www.risiko-elektrosmog.de/Firmen/Baubiologen/Adressen_Baubiologen.htm