Van Daniken made the statement in his book:
“I seem to remember the bible says” which tells you all you need to know about the “rigor” of his research methods and reliability of his conclusions.
Couldn’t be bothered to pick the darn thing up and provide his readers with an actual citations.
https://www.amazon.com/Crash-Go-Chariots-Clifford-Wilson/dp/0890510229
“Crash Go the Chariots Paperback – January 1, 1976”
“Crash Go the Chariots Paperback – January 1, 1976”
I read that many years ago.