G. M. Nijssen. Data Structuring in the DDL and Relational Data Model. In IFIP Working Conference Data Base Management. pages 363-384, 1974.
@inproceedings{Nijssen74, title = {Data Structuring in the DDL and Relational Data Model}, author = {G. M. Nijssen}, year = {1974}, tags = {data-flow}, researchr = {https://researchr.org/publication/Nijssen74}, cites = {0}, citedby = {0}, pages = {363-384}, booktitle = {IFIP Working Conference Data Base Management}, }