@article{MET_1961__4_175119,
     author = {Ferschl. F.},
     title = {Der praktische {Einsatz} elektronischer {Rechenautomaten} -  {Billeter,} {P.}},
     journal = {Metrika},
     pages = {251--252},
     year = {1961},
     volume = {4},
     url = {http://geodesic.mathdoc.fr/item/MET_1961__4_175119/}
}