000 00255 a2200073 4500
245 0 _aModern Crystal and Mechanical Filters /
_cSheahan Desmond F., Johnson Robert A..
710 2 _aIEEE Press.
_eWydawca
_4pbl
260 _aNew York :
_bIEEE Press,
_c1977.
300 _aVII,455 s.;
_c34 cm.
999 _c8322
_d8322