@article{AM2_1997__54_3_137698,
     author = {G\"otz Gelbrich},
     title = {Fractal {Penrose} tiles {II:} {Tiles} with fractal boundary as duals of {Penrose} triangles.},
     journal = {Aequationes mathematicae},
     pages = {108--116},
     publisher = {mathdoc},
     volume = {54},
     number = {3},
     year = {1997},
     zbl = {0981.52014},
     url = {http://geodesic.mathdoc.fr/item/AM2_1997__54_3_137698/}
}