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008 251006s9999 xx 000 0 und d
100 _aklapper,jacob
245 0 _a.phasc-lecked and frequency-feedback systems; principles and techniques. frankle,john t.,(jt.auth.).
260 _a1st.ed | .New York Academic
260 _c1972
942 _cBOK
999 _c4877
_d4877