1. Alessandrini, L., Bassanelli, G.: Small deformations of a class of compact non-Kähler manifolds. Proc. Am. Math. Soc. 109(4), 1059–1062 (1990)
2. Angella, D., Tomassini, A.: On cohomological decomposition of almost-complex manifolds and deformations. J. Symplectic Geom. 9(3), 403–428 (2011)
3. Bassanelli, G.: Area-minimizing Riemann surfaces on the Iwasawa manifold. J. Geom. Anal. 9(2), 179–201 (1999)
4. Bigolin, B.: Gruppi di Aeppli. Ann. Sc. Norm. Super. Pisa, Cl. Sci. 23(2), 259–287 (1969)
5. Console, S.: Dolbeault cohomology and deformations of nilmanifolds. Rev. Unión Mat. Argent. 47(1), 51–60 (2006)