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Language peer sets for PROGRESS: United States↑ United States/1972↑ Designed 1972 ↑ 1970s languages ↑ Third generation↑ High Cold War↑ PROGRESS(ID:2404/pro027)alternate simple viewCountry: United States Designed 1972 4GL database language Structures: References: in (1972) Computers & Automation 21(6B), 30 Aug 1972 in (1972) Computers & Automation 21(6B), 30 Aug 1972 Search in: Google Google scholar World Cat Yahoo Overture DBLP Monash bib NZ IEEE  ACM portal CiteSeer CSB ncstrl jstor Bookfinder |