@article {Hao2014,
	title = {Structural and ferroelectric transitions in magnetic nickelate PbNiO3},
	journal = {New Journal of Physics},
	volume = {16},
	year = {2014},
	month = {jan},
	pages = {015030},
	doi = {10.1088/1367-2630/16/1/015030},
	author = {Hao, X. F. and Stroppa, A. and Barone, P. and Filippetti, A. and Franchini, C. and Picozzi, S.}
}
