000			00441cam a2200157 i 4500
005			20251228113000.0
008			990305s
040			_aP 30
041	0		_aeng
080			_a621.39
245	0	0	_aModern Communications / _cAut. Crowley Thomas H. [i in.].
260			_aNew York : _bColumbia University, _c1967.
300			_aX,[2],340 s.,il. ; _c24 cm.
700	1		_aCrowley Thomas H. _eAut. _9200890
999			_c3148 _d3148