@article{DBLP:journals/tlt/KargerOAHS08,
  author    = {Philipp K{\"a}rger and
               Daniel Olmedilla and
               Fabian Abel and
               Eelco Herder and
               Wolf Siberski},
  title     = {{W}hat Do You Prefer? {U}sing {P}references to Enhance {L}earning
               {T}echnology},
  journal   = {TLT},
  volume    = {1},
  number    = {1},
  year      = {2008},
  pages     = {20-33},
  ee        = {http://dx.doi.org/10.1109/TLT.2008.5},
  bibsource = {DBLP, http://dblp.uni-trier.de}
}