@inproceedings{strobl:2009iros_,
  author =	 {K. H. {S}trobl and W. Sepp and G. Hirzinger},
  title =	 {{O}n the {I}ssue of {C}amera {C}alibration with {N}arrow {A}ngular {F}ield of {V}iew},
  booktitle =	 {Proceedings of the IEEE/RSJ International Conference on
                  Intelligent Robots and Systems},
  month =	 {October},
  year =	 2009,
  address =	 {St. Louis, MO, USA},
  pages =        {309--315}
}