000			00608nam a22002057a 4500
001			31984
003			BD-DhUET
008			150726b xxu||||| |||| 00| 0 eng d
020			_a0283431803
040			_aDLC _cDLC _dBD-DhUET
082			_a623.85 _bATK/1970
100			_aAtkinson, J.
245			_aTelephony _ba detailed exposition of the telephone exchange systems of the british post office
250			_a1st ed.
260			_aLondon _bPitman _c1970
300			_axii, 509p. _billus.
500			_aVol. I : General principles and manual exchange systems
650		0	_aTelephone engineering
942			_cGB
999			_c31984 _d31984