@article{DBLP:journals/ibmrd/ChamberlinAEGLMRW76,
author = {Donald D. Chamberlin and
Morton M. Astrahan and
Kapali P. Eswaran and
Patricia P. Griffiths and
Raymond A. Lorie and
James W. Mehl and
Phyllis Reisner and
Bradford W. Wade},
title = {SEQUEL 2: A Unified Approach to Data Definition, Manipulation,
and Control},
journal = {IBM Journal of Research and Development},
volume = {20},
number = {6},
year = {1976},
pages = {560-575},
ee = {http://dx.doi.org/10.1147/rd.206.0560},
bibsource = {DBLP, http://dblp.uni-trier.de}
}