@article{DBLP:journals/tods/Kim82,
author = {Won Kim},
title = {On Optimizing an SQL-like Nested Query},
journal = {ACM Trans. Database Syst.},
volume = {7},
number = {3},
year = {1982},
pages = {443-469},
ee = {http://doi.acm.org/10.1145/319732.319745},
bibsource = {DBLP, http://dblp.uni-trier.de}
}