@phdthesis{Share_it_1981185920-11685,
  title = {Mining perennial objects},
  author = {Siddiqui, Zaigham Faraz},
  year = {2013},
  url = {http://dx.doi.org/10.25673/3942},
  urn = {urn:nbn:de:gbv:ma9:1-3527},
  school = {Otto-von-Guericke-Universität Magdeburg},
}