000 00345pab a2200145 454500
008 180718b1985 xxu||||| |||| 00| 0 eng d
100 _aNayar, K.R.
245 _aPublic data communication services in India
260 _c1985
300 _a7-11
362 _aMay
650 _aComputers - India
773 _aCSI Communications
909 _a6434
999 _c6434
_d6434