@article{ELMA_1948__3_140482,
     author = {M. Sch\"urer},
     title = {Die {Pr\"azession} und {Nutation} der {Erde.}},
     journal = {Elemente der Mathematik},
     pages = {54--59},
     publisher = {mathdoc},
     volume = {3},
     year = {1948},
     url = {http://geodesic.mathdoc.fr/item/ELMA_1948__3_140482/}
}