00330nam a2200109Ia 4500008004100000082001600041100001900057245004000076260004600116300001400162500004400176220610s9999    xx            000 0 und d  a658.45bSCH  aSchilling Taub  aPrinciples of Communication Systems  aNoidabTata McGraw Hill Publicationc1991  a759 PbPB  a"Donated by Mrs. Shaiwali Ballal, Pune"