@article{hoare:monitors:cacm:1974,
  author	= {Hoare, C. A. R.},
  title		= {Monitors: An Operating System Structuring Concept},
  journal	= {Communications of the ACM},
  pages		= {549-557},
  year		= {1974},
  month		= {Oct},
  urlpage	= {http://doi.acm.org/10.1145/355620.361161}
}