@article{05191874,
title = {Orthogonality as single primitive notion for metric planes.},
journal = {Beitr\"age zur Algebra und Geometrie},
volume = {48},
year = {2007},
pages = {399-409},
zbl = {1161.51004},
language = {en},
url = {http://dml.mathdoc.fr/item/05191874}
}
Pambuccian, Victor. Orthogonality as single primitive notion for metric planes.. Beiträge zur Algebra und Geometrie, Tome 48 (2007) pp. 399-409. http://gdmltest.u-ga.fr/item/05191874/