@BOOK{ Book!D - 77740472,
AUTHOR = "Freeman, Roger L.",
TITLE = "Telecommunication system engineering",
LIBRARY= "کتابخانه مرکزی و مرکز اطلاع رسانی دانشگاه فردوسی مشهد",
SUBJECT = "Design and construction ، Telecommunication systems,Design and construction ، Telephone systems",
URL = "/book/77740472/Telecommunication-system-engineering/"}