@article{01711080,
title = {Paraquaternionic projective space and pseudo-Riemannian geometry.},
journal = {Publications de l'Institut Math\'ematique. Nouvelle S\'erie},
volume = {60(74)},
year = {1996},
pages = {101-107},
zbl = {1002.53020},
language = {en},
url = {http://dml.mathdoc.fr/item/01711080}
}
Blažić, Novica. Paraquaternionic projective space and pseudo-Riemannian geometry.. Publications de l'Institut Mathématique. Nouvelle Série, Tome 60(74) (1996) pp. 101-107. http://gdmltest.u-ga.fr/item/01711080/