The design of a cascaded digital/analog filter for digital transmission systems
Internet
http://spectrum.library.concordia.ca/4956/1/MK61884.pdfPerera, Uswatte Liyanage Anton Eric Marian Priyakumar <http://spectrum.library.concordia.ca/view/creators/Perera=3AUswatte_Liyanage_Anton_Eric_Marian_Priyakumar=3A=3A.html> (1982) The design of a cascaded digital/analog filter for digital transmission systems. Masters thesis, Concordia University.