Clesio Saraiva dos Santos, Erich J. Neuhold, Antonio L. Furtado. A Data Type Approach to the Entity-Relationship Approach. In Peter P. Chen, editor, Entity-Relationship Approach to Systems Analysis and Design. Proc. 1st International Conference on the Entity-Relationship Approach. pages 103-119, North-Holland, 1979. [doi]
Abstract is missing.