René Juráň
Lipka 179/28Ostrava-Hoálkovice725 28 Czech Republic
satori5@seznam.cz
Argyris Argyriadis
Consulting & Support for Greece
argya1@otenet.gr
Tel. +306948594444
Mikhail Tsybisov
Consulting & Support for CIS states
speleotechnik@gmail.com
Tel. +7-916-104-73-20