1. V.A. Trepakov, S.S. Kapphan, J.G. Bednorz, I. Gregora, L. Jastrabík
    Dielectric-Related R-Zero-Phonon Emission Line Shift of Cr3+ in SrTiO3:Ca
    Ferroelectrics 304 (2004) 83-86.
  2. I. Gregora, J. Hlinka, B. Březina
    Amplitudon Mode in Deuterated Thiourea by Raman Scattering
    Ferroelectrics 302 (2004) 401-403.
  3. V. N. Sigaev, P. Pernice, A. Aronne, B. Champagnon, I. Gregora, S. Yu. Stefanovich, L. Usmanova, E. Fanelli
    Nano-phased Crystallisation of Ferroelectrics from Glasses in the K2O-TiO2-P2O5 and K2O-Nb2O5-SiO2 Systems
    Integrated Ferroelectrics 61 (2004) 249-253.