@article{01208021,
title = {Unilateral tilings of the plane with squares of three sizes.},
journal = {Beitr\"age zur Algebra und Geometrie},
volume = {39},
year = {1998},
pages = {481-495},
zbl = {0917.52015},
language = {en},
url = {http://dml.mathdoc.fr/item/01208021}
}
Martini, Horst; Makai, Endre; Soltan, Valeriu. Unilateral tilings of the plane with squares of three sizes.. Beiträge zur Algebra und Geometrie, Tome 39 (1998) pp. 481-495. http://gdmltest.u-ga.fr/item/01208021/