000 00309nam a2200121Ia 4500
999 _c21709
_d21709
020 _a9780830641581
100 _aRudolf F Graf
245 _aModern Converter and Filter Circuit Encyclopedia
250 _a1
260 _c1993
_bMcGRAW HILL (TAB BOOK)
_aBlue Ridge Summit. PA
300 _avi+184
942 _cREF