@article{GDZPPN00221203X,
title = {The geometry and topology of 3-Sasakian manifolds.},
journal = {Journal f\"ur die reine und angewandte Mathematik},
volume = {450},
year = {1994},
pages = {183-220},
zbl = {0889.53029},
url = {http://dml.mathdoc.fr/item/GDZPPN00221203X}
}
Boyer, Charles P.; Galicki, K.; Mann, B. The geometry and topology of 3-Sasakian manifolds.. Journal für die reine und angewandte Mathematik, Tome 450 (1994) pp. 183-220. http://gdmltest.u-ga.fr/item/GDZPPN00221203X/