TY - JOUR T1 - A microscopic model for the temperature coefficient of the resonant frequency (tf) in complex perovskites used for microwave filter JO - Ferroelectrics PY - 1994/01/01 AU - Colla EL AU - Reaney IM AU - Setter N ED - DO - DOI: 10.1080/00150199408017258 VL - 154 IS - 1 SP - 35 EP - 40 Y2 - 2025/07/03 ER -