TY - BOOK AU - Daniels,Richard W TI - Approximation methods for electronic filter design: with applications to passive, active, and digital networks U1 - 621.3815/32 PY - 1974/// CY - New York PB - McGraw-Hill, KW - FILTROS ELECTRÓNICOS, DISEÑO Y APLICACIONES KW - FILTROS ELECTÓNICOS, TEORÍA ER -