Campbell, Roy H.; and Kirslis, Peter A. "The SAGA project: A system for software development" pp73-80

[POPL 1984] (1984) [ACM SIGACT-SIGPLAN] Proceedings of the 11th ACM SIGACT-SIGPLAN Symposium on Principles of Programming Languages POPL 84 1984 , Salt Lake City, Utah, United States  

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