1. Compatible almost complex structures on quaternion Kähler manifolds;Alekseevsky;Ann. Global Anal. Geom.,1998
2. On certain locally homogeneous Clifford manifolds;Barberis;Ann. Global Anal. Geom.,1995
3. Sur certaines fibrations dʼespaces homogènes riemanniens;Bérard-Bergery;Compos. Math.,1975
4. Einstein Manifolds;Besse,1987
5. On almost Cliffordian manifolds;Burdujan;Ital. J. Pure Appl. Math.,2003