000 00389nam a2200169Ia 4500
008 220901s9999 xx 000 0 und d
041 _a  ENGLISH
082 _a621.382.382
082 _bLAT
100 _aLATHI, B.P.
245 0 _aCOMMUNICATION SYSTEMS.
260 _bB.S. PUBLICATION
260 _c1968
300 _a431
650 _a  COMMUNICATION SYSTEMS
942 _cREF
999 _c132364
_d132364