@article{10_4064_cm93_1_5,
     author = {Dirk Praetorius},
     title = {Remarks and examples concerning
 distance ellipsoids},
     journal = {Colloquium Mathematicum},
     pages = {41--53},
     publisher = {mathdoc},
     volume = {93},
     number = {1},
     year = {2002},
     doi = {10.4064/cm93-1-5},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/cm93-1-5/}
}