Conference: xp
@proceedings{xp:1981, title = {XP2 Workshop on Relational Database Theory, June 22-24 1981, The Pennsylvania State University, PA, USA}, year = {1981}, tags = {relational database, database}, researchr = {https://researchr.org/publication/xp%3A1981}, cites = {0}, citedby = {0}, booktitle = {XP2 Workshop on Relational Database Theory, June 22-24 1981, The Pennsylvania State University, PA, USA}, }