Brezansky, Alfred, Dipl.-Ing. Riemenschneidergasse 18 1220 Wien (Wien 22.,Donaustadt) AT (01) 2 04 79 84
Chrenko, Norbert, Ing. Theodor-Kramer-Straße 12 Stg 2 1220 Wien (Wien 22.,Donaustadt) AT (0664) 5 53 09 38