https://www.erowid.org/references/refs_view.php?ID=2370&S=hallucination
Erowid.org: Erowid Reference 2370 : Moire Patterns and Visual Hallucinations : G Oster
The Index page for the reference article: G Oster Moire Patterns and Visual Hallucinations Psychedelic Rev. 1966
erowid orgmoire patternsvisual hallucinationsreference2370