00389nam a2200145Ia 4500008004100000020003000041040002600071082001600097100002100113245004500134250001200179260003100191003000400222005001700226241127s9999||||xx |||||||||||||| ||und||  a9780131424920c594.5594.5  bengcSSK Libraryerda  a621.382/COV  a Leon W. Couch - 0aDigital And Analog Communication Systems  a7th ed.  b Pearson Educationc©2007OSt20241127152738.0