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Language peer sets for PROGRESS: Austria↑ Austria/1975↑ Designed 1975 ↑ 1970s languages ↑ Fourth generation↑ High Cold War↑ PROGRESS(ID:8282/)RT language for air traffic controlalternate simple viewCountry: Austria Designed 1975 RT language for air traffic control Hans P. Zima Austria 1975 Search in: Google Google scholar World Cat Yahoo Overture DBLP Monash bib NZ IEEE  ACM portal CiteSeer CSB ncstrl jstor Bookfinder |