@article{ELMA_1981__36_141272,
     author = {A.P. Speiser},
     title = {Die {Z24} an der {ETH} {Z\"urich.} {Ein} {St\"uck} {Technik-} und {Mathematikgeschichte.}},
     journal = {Elemente der Mathematik},
     pages = {145--153},
     publisher = {mathdoc},
     volume = {36},
     year = {1981},
     zbl = {0466.01005},
     url = {http://geodesic.mathdoc.fr/item/ELMA_1981__36_141272/}
}