000			00633nam a2200241 a 4500
001			00316822
003			PWmBRO
005			20240602100428.0
008			821020s1981 caua a 0011 eng l
069	0	0	_a201169060
082	0	0	_a621.38
090	0	0	_b621.38/P616s
100	1	0	_aPierce, John Robinson, _d1910-
245	1	0	_aSignals : _bthe telephone and beyond / _cJohn R. Pierce.
260	0	0	_aSan Francisco : _bW.H. Freeman, _cc1981.
300	0	0	_aviii, 181 p. _bill. _c25 cm
500	0	0	_aIncludes index.
595	0	0	_a071671311X
650	0	0	_aTelecommunication.
942			_2ddc
994	0	1	_a032016
999			_c25419 _d25419