Daniel M. Berry, Michael Erlinger, John B. Johnston, Arndt von Staa. Models of Hierarchical Machine Support. In Erich J. Neuhold, editor, Formal Description of Programming Concepts: Proceedings of the IFIP Working Conference on Formal Description of Programming Concepts, St. Andrews, NB, Canada, August 1-5, 1977. pages 557-588, North-Holland, 1977.
Abstract is missing.