@phdthesis{de-88,
  title = {Spezifikation und Entwicklung universitärer Lern- und Arbeitsumgebungen},
  author = {Alexander Roth},
  year = {2008},
  url = {http://ubdok.uni-paderborn.de/servlets/DerivateServlet/Derivate-8134/Dissertation_Alexander_Roth.pdf},
  note = {http://d-nb.info/991585798},
  researchr = {https://researchr.org/publication/de-88},
  cites = {0},
  citedby = {0},
  school = {University of Paderborn},
}