@article{JLT_1994_4_1_a2,
     author = {G. Gelbrich},
     title = {Self-Similar {Periodic} {Tilings} on the {Heisenberg} {Group}},
     journal = {Journal of Lie theory},
     pages = {031--038},
     publisher = {mathdoc},
     volume = {4},
     number = {1},
     year = {1994},
     url = {http://geodesic.mathdoc.fr/item/JLT_1994_4_1_a2/}
}