M, R. siddappa, D. SiddalingaSwamy, S. Raghavendra, and Y. Ravikiran. “Broad Band Electromagnetic Interference (EMI) Shielding Properties of Polyaniline/ Polyvinyl Alcohal/ Fly Ash/ MnO2 Free Standing Films”. JOURNAL OF ADVANCES IN PHYSICS, vol. 6, no. 3, Dec. 2014, pp. 1245-50, doi:10.24297/jap.v6i3.1774.