Evil spirits only travel in straight lines…
References
- wiki (fr): Orthoténie
- NICAP: The Worldwide UFO Wave of 1954
- Orthoteny Lives
- MUFON Annual 1983 UFO Symposium Proceedings: Southern California’s Straight-Line Mystery In Ufo Sightings
- Re: “Orthoteny” And The Great French Flap + a Fortean view per C. Fort
goog book: Forbidden Science: Journals 1957-1969, by Jacques Vallee