Petrosyan, A.M.; Ghazaryan, V.V.; Tylczynski, Z.; Srinivasan, B.R.
(Ferroelectric Letters Section. 42; 2015; 139-141.)
We argue that the "tri-glycine barium nitrate" crystal reported by R. Ezhil Vizhi and D. Rajan Babu, Ferroeclectrics Letters Section 40, 1-10 (2013) is not a new ferroelectric but a dubious crystal.