Sanna, S., Riefer, A., Neufeld, S., Schmidt, W. G., Berth, G., Rüsing, M., Widhalm, A., &; Zrenner, A. (2013). Vibrational Fingerprints of LiNbO3-LiTaO3Mixed Crystals. Ferroelectrics, 447(1), 63–68.https://doi.org/10.1080/00150193.2013.821893 

Sanna, S., Riefer, A., Neufeld, S., Schmidt, W. G., Berth, G., Widhalm, A., &; Zrenner, A. (2012). Vibrational fingerprints of LiNbO3-LiTaO3 mixed crystals. In Proceedings of ISAF-ECAPD-PFM 2012. Aveiro, Portugal.