00538nam a2200169Ia 4500008004100000082002100041100001800062245007700080260005600157300000700213650003800220650003400258653002900292700001800321942001200339999001700351170901s1982    xx            000 0 und d  a621.384156bV46S  aVenugopal, D. 0aSystem Optimization Studies on Satellite Rural Telecommuniction Networks  aBangalorebIndian Space Research Organisationc1982  a72  aEngineering and allied operations  aTechnology (Applied sciences)  aTelecommunication system  aNarayanan, K.  2ddccBK  c11696d11696