?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.aufirst=R.&rft.au=Kannan%2C+R.&rft.aulast=Kannan&rft.date=2017&rft.btitle=Power+quality+definitions&rft.isbn=9781785611230&rft.genre=book