000 00419nam a2200157Ia 4500
008 221030s9999 xx 000 0 und d
020 _a8185614369
041 _aEnglish
082 _a105.23
_bJol
100 _aE. H. Jolly
245 0 _aIntroduction to Telephony & Telegraphy ( DEPARTMENTAL )
_cby E. H. Jolly
260 _bWheeler Pub.
_aAllahabad
_c1992
300 _a413
650 _aECE Departmental
942 _cBK
999 _c1502
_d1502