Design and Implementation of a Virtual Salesclerk (bibtex bibliographic entry)
  author = {C.~Mumme and N.~Pinkwart and F.~Loll},
  title = {Design and Implementation of a Virtual Salesclerk},
  booktitle = {Proceedings of the 9th International Conference on Intelligent Virtual
	Agents (IVA)},
  year = {2009},
  editor = {Z. Ruttkay and M. Kipp and A. Nijholt and H. H{\"o}gni Vilhjalmsson},
  number = {5773},
  series = {Lecture Notes in Artificial Intelligence},
  pages = {379 - 385},
  address = {Berlin, Germany},
  publisher = {Springer Verlag},
  rgroup = {winf},