electromagnetism - Magnetron Working Principle - Electrical Engineering Stack Exchange
Cavity magnetron - Wikipedia
Applied Sciences | Free Full-Text | Parameter Optimization of Hole-Slot-Type Magnetron for Controlling Resonant Frequency of Linear Accelerator 6 MeV by Reverse Engineering Technique
How the Cavity Magnetron works: The vacuum tube that powers microwave ovens and radar — Steemit
Magnetron - Radartutorial
Magnetron, Part 1: Application and operating principles