Thoth, a Portable Real-Time Operating System (Extended Abstract). - David R. Cheriton; Michael A. Malcolm; Lawrence S. Melen; Gary R. Sager (SOSP, 1977)

Thoth, a Portable Real-Time Operating System. - David R. Cheriton; Michael A. Malcolm; Lawrence S. Melen; Gary R. Sager (Commun. ACM, 1979)