title: Conformal cubical 3D transformation-based metamaterial invisibility cloak: Erratum.
abstract: A correction to the definition of the constant a introduced after Eq. (4) in [J. Opt. Soc. Am. A30, 7-12 (2013)JOAOD60740-323210.1364/JOSAA.30.000007] is given.
authors.forename: Slobodan V
authors.initials: SV
authors.lastname: Savić
authors.forename: Branislav M
authors.initials: BM
authors.lastname: Notaroš
authors.forename: Milan M
authors.initials: MM
authors.lastname: Ilić