Josef Willenborg. Anfragesprachen für Internet-Informationssysteme. PhD thesis, Humboldt University of Berlin, Unter den Linden, Germany, 2001. [doi]
@phdthesis{dnb-14726, title = {Anfragesprachen für Internet-Informationssysteme}, author = {Josef Willenborg}, year = {2001}, url = {http://d-nb.info/963046853}, researchr = {https://researchr.org/publication/dnb-14726}, cites = {0}, citedby = {0}, school = {Humboldt University of Berlin, Unter den Linden, Germany}, }