@Article{SCCKKKMP12,
author={I. Sommerville and D. Cliff and R. Calinescu and J. Keen and T. Kelly and M. Kwiatkowska and J. McDermid and R. Paige},
title={{L}arge-{S}cale {C}omplex {IT} {S}ystems},
journal={Communications of the ACM},
year={2012},

volume={55},
number={7},
pages={71-77},
publisher={},
month={July},
key={}
}