H ?
«
‹
←
→
›
»
Language peer sets for APRIL: United Kingdom↑ United Kingdom/1977↑ Designed 1977 ↑ 1970s languages ↑ Fourth generation↑ High Cold War↑ APRIL(ID:8424/)alternate simple viewCountry: United Kingdom Designed 1977 Production system language, Smith and Sleeman, Leeds UK 1977 Attmepts to be a superset of PSG etc from CMU, arrived before OPS Related languages
References: Search in: Google Google scholar World Cat Yahoo Overture DBLP Monash bib NZ IEEE  ACM portal CiteSeer CSB ncstrl jstor Bookfinder |