Figure 2 from Volume minimization of the main DM/CM EMI filter stage of a bidirectional three-phase three-level PWM rectifier system | Semantic Scholar
Filters & Water Traps for Sensor Pump Kit | CO2Meter.com
EMI Filter Modifications - EEWeb
There are more ways than you think to reduce conducted EMI - Automotive - Technical articles - TI E2E support forums
Design techniques 3: Filters and SPDs without graphics