@article{eswaran:transaction-definition:cacm:1976,
  author	= {Eswaran, Kapali P. and Gray, Jim and Lorie, Raymond A. and Traiger, Irving L.},
  title		= {The Notions of Consistency and Predicate Locks in a Database System},
  journal	= {Communications of the ACM},
  volume	= {19},
  number	= {11},
  pages		= {624--633},
  month		= {Nov},
  urlpage	= {http://doi.acm.org/10.1145/360363.360369},
  year		= {1976}
}