Ashok K. Chandra, David Harel. Structure and Complexity of Relational Queries. In David Maier, editor, XP1 Workshop on Relational Database Theory, 30 June - 2 July 1980, SUNY at Stony Brook, NY, USA. 1980.
@inproceedings{ChandraH80:0,
title = {Structure and Complexity of Relational Queries},
author = {Ashok K. Chandra and David Harel},
year = {1980},
researchr = {https://researchr.org/publication/ChandraH80%3A0},
cites = {0},
citedby = {0},
booktitle = {XP1 Workshop on Relational Database Theory, 30 June - 2 July 1980, SUNY at Stony Brook, NY, USA},
editor = {David Maier},
}