Telecommunications: An Interdisciplinary Survey Editat de Leonard Lewin dec 1979 Hardback Preț: 1171.08 lei 1361.73 lei 6-8 săpt. -14%
Telecommunications in the U.S. Editat de Leonard Lewin sep 1981 Hardback Preț: 971.95 lei 1130.17 lei 6-8 săpt. -14%