___

• Alegre, P., Blair, D.E., Carriazo, A., Generalized Sasakian space forms, Israel J. of Math., 141, 157-183 (2004).
• Alegre, P., Carriazo, A., Structures on generalized Sasakian space forms, Differ. Geom. Appl., 26(6), 656-666 (2008)
• Blair, DE., Riemannian Geometry of Contact and Symplectic Manifolds, Boston, Birkhauser, (2002).
• Blair, D.E., The theory of quasi-Sasakian structures, J. Differ. Geom., 1, 331-345 (1967)
• Branding, V., On interpolating sesqui-harmonic maps between Riemannian manifolds, J. Geom. Anal. (2019).
• Branding, V., Some analytic results on interpolating sesqui-harmonic maps, arXiv preprint arXiv:1907.04167 (2019).
• Eells, J. Jr., Sampson, J. H., Harmonic mappings of Riemannian manifolds, Amer. J. Math., 86: 109-160 (1964).
• Jiang, GY., 2-Harmonic maps and their first and second variational formulas, Chinese Ann. Math. Ser. A, 7, 389-402 (1986).
• Kenmotsu, K., A class of almost contact Riemannian manifolds, Tohoku Math. J., 24, 93-103 (1972).
• Karaca, F., Ozgür, C., De, U. C., On Interpolating Sesqui-Harmonic Legendre Curves inSasakian Space Forms, International Journal of Geometric Methods in Modern Physics, in press (2019).
• Laugwitz, D., Differential and Riemannian geometry, New York-London, (1965).
• Loubeau, L., Montaldo, S., Biminimal immersions, Proc. Edinb. Math. Soc., 51, 421-437 (2008).
• Ludden, G.D., Submanifolds of cosymplectic manifolds, J. Dif. Geo., 4, 237-244 (1970).
• Marrero, J.C., The local structure of trans-Sasakian manifolds, Ann. Mat. Pura Appl., 162, 77-86 (1992).
• Oubina, J.A., New classes of almost contact metric structures, Publ. Math. Debrecen, 32(3-4), 187-193 (1985).
• Ozgür, C., Güvenç, Ş., On some classes of biharmonic Legendre curves in generalized Sasakian space forms, Collect. Math., 65(2), 203-218 (2014).