@article{MOMA_1975__80_177724,
     author = {Walter Wunderlich},
     title = {Zur normalen {Axonometrie} des vierdimensionalen {Raumes.}},
     journal = {Monatshefte f\"ur Mathematik},
     pages = {231--240},
     publisher = {mathdoc},
     volume = {80},
     year = {1975},
     zbl = {0326.50009},
     url = {http://geodesic.mathdoc.fr/item/MOMA_1975__80_177724/}
}