000 00301nam a2200133Ia 4500
100 _aDAS P N
650 _aManual Telephony
365 _cRS
365 _d1
942 _cENGBK
245 _aAn Introduction to Manual Telephony
260 _bModern Book Agency
_c1990
_aCalcutta
300 _aIII+150 PP
999 _c31394
_d31394