Positron annihilation response and broadband dielectric spectroscopy: Salol J. Bartoš, M. Iskrová, M. Köhler, R. Wehn, O. Šauša, P. Lunkenheimer, J. Krištiak and A. Loidl Eur. Phys. J. E, 34 9 (2011) 104 Published online: 26 September 2011 DOI: 10.1140/epje/i2011-11104-x