Investigations of AII-BVI mixed crystals with the piezoelectric photothermal method M. Maliński, L. Bychto, J. Zakrzewski, F. Firszt, M. Pawlak and P. Binnebesel J. Phys. IV France, 125 (2005) 379-382 DOI: 10.1051/jp4:2005125088