@article{MM2_1980__32_154719,
     author = {Georg Stamou},
     title = {\"Uber eine spezielle {Geradenkongruenz} im einfach isotropen {Raum.}},
     journal = {Manuscripta mathematica},
     pages = {81--90},
     publisher = {mathdoc},
     volume = {32},
     year = {1980},
     zbl = {0445.53007},
     url = {http://geodesic.mathdoc.fr/item/MM2_1980__32_154719/}
}