@article{ELMA_1987__42_4_141414,
     author = {Franz Halter-Koch},
     title = {\"Uber {Konstruktionen} mit {Zirkel,} {Lineal} und {Winkelteilungen.}},
     journal = {Elemente der Mathematik},
     pages = {147--150},
     publisher = {mathdoc},
     volume = {42},
     number = {4},
     year = {1987},
     zbl = {0703.51012},
     url = {http://geodesic.mathdoc.fr/item/ELMA_1987__42_4_141414/}
}