@article{05345491,
title = {Timelike quaternion frame of a non-lightlike curve.},
journal = {Beitr\"age zur Algebra und Geometrie},
volume = {49},
year = {2008},
pages = {325-333},
zbl = {1158.53012},
language = {en},
url = {http://dml.mathdoc.fr/item/05345491}
}
Özdemir, M.; Ergin, A.A. Timelike quaternion frame of a non-lightlike curve.. Beiträge zur Algebra und Geometrie, Tome 49 (2008) pp. 325-333. http://gdmltest.u-ga.fr/item/05345491/