Telecommunication by speech:
Richards, D. L.
Telecommunication by speech: the transmission performance of telephone networks [by] D. L. Richards. - London, Butterworths, 1973. - [24], 589 p. illus. 24 cm.
Bibliography: p. 529-577.
040870344X
73163567
B73-08348
Telephone.
TK6161 / .R52 1973b
621.385 RIC
Telecommunication by speech: the transmission performance of telephone networks [by] D. L. Richards. - London, Butterworths, 1973. - [24], 589 p. illus. 24 cm.
Bibliography: p. 529-577.
040870344X
73163567
B73-08348
Telephone.
TK6161 / .R52 1973b
621.385 RIC