000 003870000a22001450004500
245 _aPhase locked and frequency feedback systems : principles and techniques
100 _aKlapper, Jacob
100 _aFrankle, J.T.
260 _aNew York
_bAcademic Press
_c1972
300 _a393 p.
440 _aElectrical Science series
080 _a621-503
_bK6
041 _aEN
942 _cBK
999 _c102467
_d102467