Citation: G\'omez-Aguirre, L C; Pato-Dold\'an, B; Stroppa, A.; Y\'a\~nez-Vilar, S; Bayarjargal, L.; Winkler, B.; Castro-Garc\'ia, S; Mira, J.; S\'anchez-And\'ujar, M; Se\~nar\'is-Rodr\'iguez, M A (2015). Room-Temperature Polar Order in [NH4][Cd(HCOO)3] - A Hybrid Inorganic-Organic Compound with a Unique Perovskite Architecture.. Inorganic chemistry, 54, pp. 2109-.