000 00314nam a2200121Ia 4500
008 190711s9999 xx 000 0 und d
082 _a621.381 Z49
100 _aZELENKA,J
245 0 _aPIEZOELECTRIC RESONATORS AND THEIR APPLICATIONS
260 _aAmsterdam
_bElsevier
_c1986
300 _a24X17
942 _cBK
_2DDC
999 _c23328
_d23328