http://www.paraglidingearth.com/pgearth/?site=13727
http://www.wikiairports.com/airports/details/4621/SliacAirport/LZSL
https://www.youtube.com/watch?v=fZoUagvNjPw
http://www.zelpo.sk/sport/rogalo/hills/baranovo/index.htm
http://www.skyfly.cz/zajimavo_e/hg_2mcr00a_e.htm