LEADER 00000nam 2200217 a 4500 001 075062986x 007 t 008 010713s1996 enk r 000 eng d 020 075062986X 040 CURLBL 050 4 TK 7872 F5 L2 100 1 Lancaster, Don. 245 10 Don Lancaster's Active filter cookbook. 246 1 Active filter cookbook 250 2nd ed. 260 Oxford :|bNewnes,|c1996. 300 240p. 650 0 Electric filters, Active.
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