?url_ver=Z39.88-2004&rft_id=10.4103%2F0256-4602.42805&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.aufirst=J.&rft.au=Singh%2C+J.&rft.aulast=Singh&rft.volume=25&rft.issn=02564602&rft.issue=4&rft.pages=146-153&rft.atitle=Performance+analysis+of+BPPM+and+M+-ary+PPM+optical+communication+systems+in+atmospheric+turbulence&rft.title=IETE+Technical+Review+(Institution+of+Electronics+and+Telecommunication+Engineers%2C+India)&rft.date=2008&rft.genre=article