@inproceedings{Schr84a,
author = {M.~Schrefl AND A M.~Tjoa AND R.R.~Wagner},
booktitle = {{Proceedings of the First International Conference on Data Engineering (ICDE `84), Los Angeles, Calif., U.S.A., April 24--27, 1984}},
pages = {120--125},
title = {{Comparison-Criteria for Semantic Data Models}},
year = {1984}
}