000 00352 a2200145 4500
020 _a8176564478
082 _a621.385
_bBER
090 _c5554
_d7475
100 _aBergquist, Carl J.
245 _aTelephone projects
_bforelectronics experimenters
260 _aNew Delhi
_bBPB
_g2001
300 _avii,23p.
_c23cm
650 _aTELEPHONY
942 _cSR
999 _c34417
_d34417