H ?
«
‹
←
→
›
»
Language peer sets for Playground: Designed 1989 ↑ 1980s languages ↑ Fifth generation↑ Late Cold War↑ Playground(ID:2383/pla032)alternate simple viewDesigned 1989 A visual language for children, developed for Apple's Vivarium Project. OOPSLA 89 or 90? References: Search in: Google Google scholar World Cat Yahoo Overture DBLP Monash bib NZ IEEE  ACM portal CiteSeer CSB ncstrl jstor Bookfinder |