@article{GronauUslar2004,
  author    = {Norbert Gronau and Mathias Uslar},
  title     = {Requirements and Recommenders for skill management},
  url       = {http://wi.uni-potsdam.de/homepage/potsdam.nsf/ GetDownload?OpenAgent\&ID=01218C04F77BBBEEC1256FA900631FC0\&FILE=wi-2004-12.pdf},
  year      = {2004},
}