@article{BAG_1984__17_138272,
     author = {Eberhard Meinicke},
     title = {Geometrical considerations for ruling over the distribution of intensity of illumination on a skew ruled surface},
     journal = {Beitr\"age zur Algebra und Geometrie},
     pages = {181--196},
     publisher = {mathdoc},
     volume = {17},
     year = {1984},
     zbl = {0563.53004},
     url = {http://geodesic.mathdoc.fr/item/BAG_1984__17_138272/}
}