KaranikolasV11'

@inproceedings{DBLP:conf/compsystech/KaranikolasV11,
  author    = {Nikitas N. Karanikolas and
               Michael Vassilakopoulos},
  title     = {Assessment of language skills weaknesses and their confrontation
               through personalized e-lessons},
  booktitle = {CompSysTech},
  year      = {2011},
  pages     = {478-484},
  ee        = {http://doi.acm.org/10.1145/2023607.2023688},
  crossref  = {DBLP:conf/compsystech/2011},
  bibsource = {DBLP, http://dblp.uni-trier.de}
}

@proceedings{DBLP:conf/compsystech/2011,
  editor    = {Boris Rachev and
               Angel Smrikarov},
  title     = {Proceedings of the 12th International Conference on Computer
               Systems and Technologies, CompSysTech 2011, Vienna, Austria,
               June 16-17, 2011},
  booktitle = {CompSysTech},
  publisher = {ACM},
  year      = {2011},
  isbn      = {978-1-4503-0917-2},
  bibsource = {DBLP, http://dblp.uni-trier.de}
}