Piezoelectric spectroscopic studies of Zn1-x-yBexMnymixed crystalsJ. Zakrzewski, M. Malinski, K. Strzałkowski, F. Firszt, S. Legowski and H. MeczynskaEur. Phys. J. Special Topics, 154 (2008) 381-385DOI: https://doi.org/10.1140/epjst/e2008-00580-7