@article{JRAM_1976__285_151756,
     author = {Walter Wunderlich},
     title = {Zur {Schraubung} im vierdimensionalen euklidischen {Raum.}},
     journal = {Journal f\"ur die reine und angewandte Mathematik},
     pages = {79--99},
     publisher = {mathdoc},
     volume = {285},
     year = {1976},
     zbl = {0327.53001},
     url = {http://geodesic.mathdoc.fr/item/JRAM_1976__285_151756/}
}