https://www.perplexity.ai/search/what-are-some-handbooks-on-...
None of the books identified by Perplexity.AI appear to endorse lijok's claim. Of course, it could be a confabulation -- this is just a quick sanity check, to see if the claim is as manifestly true as lijok seems to think.
(Putting this in a separate comment so people can downvote separately if they want. If people don't like this sort of AI sanity check on HN, that's fine. Thought it was worth trying as an experiment, though.)