Xerox Development Environment
↑ Richard E. Sweet (1985). “The Mesa Programming Environment”. ACM SIGPLAN Notices 20 (7): pp.216-229. doi:10.1145/17919.806843. https://www.digibarn.com/collections/papers/dick-sweet/xdepaper.pdf.
↑ Jeff Johnson; Teresa L. Roberts; William Verplank; David C. Smith; Charles H. Irby; Marian Beard; Kevin Mackey (1989). “The Xerox Star: A Retrospective”. Computer 22 (9): pp 11–26, 28-29. doi:10.1109/2.35211. https://nosolosoftware.com/files/2016/05/TheXeroxStar_ARetrospective.pdf.