Amazon.com: Flamingo+ FM - Broadcast FM Bandstop Filter v2 (FM Notch Filter) for Software Defined Radio (RTL-SDR) Applications. Blocks Problematic 88-108MHz Frequencies from Your SMA-Connected Radio : Electronics
Discretizing a Notch Filter - MATLAB & Simulink Example - MathWorks América Latina
File:Filtro Notch con KHN.png - Wikimedia Commons
Notch and Peak Filters (Digital Filter Design Toolkit) - NI
Filtro Activo Notch (rechazabanda) - Multisim Live
RTL-SDR Blog - FILTRO NOTCH 88-108 MHz - HardSoft Products