PaperOn the nature of phase transitions and nomenclatureH. Gränicher, K.A. MüllerMaterials Research Bulletin
PaperMicroscopic probing of order-disorder versus displacive behavior in BaTiO3 by Fe3+ EPRK.A. Müller, W. BerlingerPhysical Review B
PaperElectron spin resonance of donor centers in beryllium oxideO.F. Schirmer, K.A. Müller, et al.Physik der Kondensierten Materie