@article{JRAM_1977__289_151816,
     author = {Gerd Blind},
     title = {r-zug\"angliche {Unterdeckungen} der {Ebene} durch kongruente {Kreise.} {II.}},
     journal = {Journal f\"ur die reine und angewandte Mathematik},
     pages = {1--29},
     year = {1977},
     volume = {289},
     language = {de},
     url = {http://geodesic.mathdoc.fr/item/JRAM_1977__289_151816/}
}