00502nam a2200145Ia 4500008004100000100002000041245005100061260002300112260000900135300000800144650004000152942001000192952013900202999001500341221231s9999 xx 000 0 und d aGopal  R93296 0aProblems and Solutions in Communication System bC B S Publications c2004 a269 aElectronics and Communication93297 cBE_BK 00104070aAITbAITd2015-06-24g160.00l0pBE06104r2022-12-31v160.00w2022-12-31yBE_BKzElectronics and CommunicationB1900-01-01 c2956d2956