1. STRUCTURAL AND DIELECTRICAL PROPERTIES OF PB2MG1-XCOXWO6 SOLID SOLUTIONS. Authors: I. ARDELEAN, I. BARBUR, G. BORODI, A. VERES, R. VERES, V. TIMAR.2. STRUCTURAL AND DIELECTRIC STUDIES OF FERROELECTRIC RELAXOR LEAD INDIUM NIOBATE COMPOUND. Authors: I. ARDELEAN, I. BARBUR, V. CIOBOTA, G. BORODI, V. TIMAR.