@article{MAN_1981__258_163588,
     author = {Klaus Hulek},
     title = {The {Normal} {Bundle} of a {Curve} on a {Quadric.}},
     journal = {Mathematische Annalen},
     pages = {201--206},
     publisher = {mathdoc},
     volume = {258},
     year = {1981},
     zbl = {0458.14011},
     url = {http://geodesic.mathdoc.fr/item/MAN_1981__258_163588/}
}