@article{MET_1965__9_175265,
     author = {M Kricke},
     title = {Berechenbare {Gr\"o{\ss}en} in der {Volks-} und {Verkehrswirtschaft} -  {Jipp,} {A.G.W.}},
     journal = {Metrika},
     pages = {159--160},
     publisher = {mathdoc},
     volume = {9},
     year = {1965},
     url = {http://geodesic.mathdoc.fr/item/MET_1965__9_175265/}
}