@article{BASS_2009_34_a1,
     author = {M. M. Marjanovi\'c},
     title = {Semi-topological classification of line patterns in the plane},
     journal = {Bulletin de l'Acad\'emie serbe des sciences. Classe des sciences math\'ematiques et naturelles},
     pages = {17 },
     year = {2009},
     volume = {34},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/BASS_2009_34_a1/}
}