Christian S. Jensen, Richard T. Snodgrass. The Surrogate Data Type. In The TSQL2 Temporal Query Language. pages 149-152, 1995. [doi]
@incollection{JensenS95, title = {The Surrogate Data Type}, author = {Christian S. Jensen and Richard T. Snodgrass}, year = {1995}, tags = {data-flow}, researchr = {https://researchr.org/publication/JensenS95}, cites = {0}, citedby = {0}, pages = {149-152}, booktitle = {The TSQL2 Temporal Query Language}, }