Chris J. Date, Hugh Darwen, Nikos A. Lorentzos. Temporal data and the relational model. Elsevier, 2002.
@book{0014409, title = {Temporal data and the relational model}, author = {Chris J. Date and Hugh Darwen and Nikos A. Lorentzos}, year = {2002}, tags = {meta-model, data-flow, Meta-Environment}, researchr = {https://researchr.org/publication/0014409}, cites = {0}, citedby = {0}, publisher = {Elsevier}, isbn = {978-1-55860-855-9}, }