Patent - Automated balloon inflation devicehttp://www.patentgenius.com/patent/5653272.htmlPatent - Automated balloon inflator systemhttp://www.freepatentsonline.com/8132599.htmlPneumaticke dilyhttp://www.uxcell.com/pneumatics-c-1920_1921.htmlAUTOMATED BALLOONSONDE LAUNCHERhttp://passionforengineering.com/Automated-Balloonsonde-Launcher.phpAutomated Weather Balloon Radiosonde Launcher Developmenthttp://www.arm.gov/publications/proceedings/conf08/extended_abs/foote_jp.pdfVzducholoďě - bývalí studenti ČVUThttp://www.airshipclub.com/(Kontakt na lidi ohledně hélia a práce s nim, zkušenosti s pneumatickými systémy apod.)