000 00299nam a2200121Ia 4500
008 220201s1985 xx 000 0 eng d
041 _aENG
100 _aRAMAMRUTHAN, S
245 0 _aTELECOMMUNICOLIM
260 _aLONDON
_bTHAMES AND HUDSON PUBLISHING COMPANY
_c1985
300 _a803
942 _2ddc
999 _c56392
_d56392