Sources:

• https://en.wikipedia.org/wiki/Galvanic_corrosion
• https://en.wikipedia.org/wiki/Galvanic_anode
• Atlas Steels Technical Note No.7 - 2010
• "Isolation Transformer or Galvanic Isolator - which is preferable?" by Peter Kennedy - 2014
• "Marine Grounding Systems" by Stan Honey - 1996
• "Seawater Grounding for High-Frequency Radios" by Gordon West