Hamsher, D. H. (1967). Communication system engineering handbook. McGraw-Hill.
Tohutoru Kātū Chicago (17th ed.)Hamsher, Donald H. Communication System Engineering Handbook. New York, USA: McGraw-Hill, 1967.
Tohutoro MLA (9th ed.)Hamsher, Donald H. Communication System Engineering Handbook. McGraw-Hill, 1967.
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