1. Complementary distributions which preserve the leaf geometry and applications to totally geodesic foliations;Blumenthal;Quart. J. Math. Oxford Ser. (2),1984
2. Gromov's centralizer theorem;Candel;Geom. Dedicata,2003
3. Géométrie globale des feuilletages totalement géodésiques;Cairns;C. R. Acad. Sci. Paris Sér. I Math.,1983
4. Compact 4-manifolds that admit totally umbilic metric foliations;Cairns,1990
5. Totally geodesic foliations on 4-manifolds;Cairns;J. Differential Geom.,1986