Erratum: Infrared investigation of the low-temperature structural and magnetic transitions in the spin-ladder candidate [Phys. Rev. B 68, 134405 (2003)]
R. Wesołowski, J. T. Haraldsen, J. L. Musfeldt, T. Barnes, M. Mas-Torrent, C. Rovira, R. T. Henriques, and M. Almeida
Phys. Rev. B 70, 059901 – Published 10 August 2004