Column "For Your Information" by ***** Ley in Galaxy magazine, published in August 1962, included in the collection "***** Ley's For Your Information: On Earth and in the Sky" (1967), about the 'Wheels of Poseidon', plankton-patterns of acoustic pressure waves in the Indian Ocean and the Persian Gulf

Story "A Meeting with Medusa" - § 5. The Wheels of Poseidon (1971, Arthur C. Clarke)

Collection "Held/True"