Proakis, John G. creator salehi, masoud. text S.l.] Pearson 2013 11th ed. monographic 858 p. Telecommunication Telecommunication systems Digital communications 8131705730 (textbook binding) 9788131705735 (textbook binding) http://10.10.170.122:8080/browse/book/24939 http://10.10.170.122:8080/browse/book/24939