?url_ver=Z39.88-2004&rft_id=10.1109%2FRSM.2013.6706459&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.aulast=Ahmad&rft.au=Ahmad%2C+M.R.&rft.aufirst=M.R.&rft.isbn=9781479911837&rft.title=Fabrication+of+the+Trapezoidal+electrodes+and+Electrets+material+for+electrostatic+energy+harvester&rft.date=2013&rft.genre=proceeding