1. J. Armstrong, Almost-Kähler geometry, Ph.D. Thesis, Univerity of Oxford, 1998
2. Remarks on the geometry of almost complex 6-manifolds;Bryant;Asian J. Math.,2006
3. Submanifolds and special structures on the octonians;Bryant;J. Differential Geometry,1982
4. Classification des variétés approximativement kählériennes homogènes;Butruille;Ann. Global Anal. Geom.,2005
5. Nearly Kähler manifolds;Gray;J. Differential Geometry,1970