TY - BOOK AU - Fraser,W. TI - Telecommunications : an introductory textbook for engineering students SN - 0356035379 (hardcover) PY - 1972/// CY - [S.l.] PB - MacDonald & Co KW - Telecommunications UR - http://www.amazon.com/exec/obidos/ASIN/B0041V8T2K/chopaconline-20 ER -