@article {Diamandis:2014vxa,
	title = {{Inflation in $R^2$ supergravity with non-minimal superpotentials}},
	journal = {Phys. Lett. B},
	volume = {744},
	year = {2015},
	pages = {74{\textendash}81},
	doi = {10.1016/j.physletb.2015.03.034},
	author = {Diamandis, G. A. and Georgalas, B. C. and Kaskavelis, K. and Kouroumalou, P. and Lahanas, A.B. and Pavlopoulos, G.}
}
