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@article{DBLP:journals/ipl/Demetrovics78,
author = {J{\'a}nos Demetrovics},
title = {On the Number of Candidate Keys},
journal = {Inf. Process. Lett.},
volume = {7},
number = {6},
year = {1978},
pages = {266-269},
ee = {http://dx.doi.org/10.1016/0020-0190(78)90013-3},
bibsource = {DBLP, http://dblp.uni-trier.de}
}
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