000			00527nam a22001457a 4500
008			230615b |||||||| |||| 00| 0 eng d
040			_aNational Science Library _cNational Science Library
080			_a621.396.97(082.2) _bK9
245			_aTechnical papers presented at the engineering conference _c/ 23-26 March, 1969 Engineering Department National Association of Broadcasters Washington, D.C
250			_a1st ed.
260			_aUSA: _bTab Books, _c1969
300			_a255p.
650			_aTechnical papers
942			_2udc _cPR
999			_c43787 _d43787