Peter P. Chen. The Time Dimension in the Entity-Relationship Model (Invited Paper). In IFIP Congress. pages 387-390, 1986.
@inproceedings{Chen86:2, title = {The Time Dimension in the Entity-Relationship Model (Invited Paper)}, author = {Peter P. Chen}, year = {1986}, researchr = {https://researchr.org/publication/Chen86%3A2}, cites = {0}, citedby = {0}, pages = {387-390}, booktitle = {IFIP Congress}, }