@article{01208019,
title = {Lower levels of Euclidean planes.},
journal = {Beitr\"age zur Algebra und Geometrie},
volume = {39},
year = {1998},
pages = {467-472},
zbl = {0923.51015},
language = {en},
url = {http://dml.mathdoc.fr/item/01208019}
}
Quaisser, Erhard. Lower levels of Euclidean planes.. Beiträge zur Algebra und Geometrie, Tome 39 (1998) pp. 467-472. http://gdmltest.u-ga.fr/item/01208019/