Voice teletraffic systems engineering.
Boucher, James R.
Voice teletraffic systems engineering. by James R. Boucher. - Norwood Artech House 1988 - xiv, 165p
0890063354
621.38 / N886
Voice teletraffic systems engineering. by James R. Boucher. - Norwood Artech House 1988 - xiv, 165p
0890063354
621.38 / N886