Halder, K., Paul, B. K., Bagchi, B., Bhattacharya, A., & Das, S. (2014). Copper Ion Doped Mullite Composite in Poly (vinylidene Fluoride) Matrix: Effect on Microstructure, Phase Behavior and Electrical Properties. Journal of Research Updates in Polymer Science, 3(3), 157–169. https://doi.org/10.6000/1929-5995.2014.03.03.3