?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.au=Spirinmanwat%2C+Keattisak&rft.aulast=Spirinmanwat&rft.aufirst=Keattisak&rft.date=2013&rft.title=Visible+Light+Communications%3A+Principle%2C+Potential%2C+and+Challenges&rft.genre=proceeding