@article{GDZPPN00036536X,
title = {Aperiodic Tiles.},
journal = {Discrete \& computational geometry},
volume = {7},
year = {1992},
pages = {1-26},
zbl = {0758.52013},
url = {http://dml.mathdoc.fr/item/GDZPPN00036536X}
}
Shephard, G.C.; Ammann, R.; Grünbaum, B. Aperiodic Tiles.. Discrete & computational geometry, Tome 7 (1992) pp. 1-26. http://gdmltest.u-ga.fr/item/GDZPPN00036536X/