000 00339nam a2200157Ia 4500
008 190201s9999 xx 000 0 und d
020 _a9.78E+12
082 _a621
082 _b38223
100 _a"Hsu, Hwei P"
245 0 _aSchaum`s Outline Signals
260 _aNew Delhi
260 _bTMH
260 _c2004
300 _a"IX, 466"
999 _c44447
_d44447