Wikipedia:Articles for deletion/Concept drift
per |SK#3 as the page has plenty of sources.  For example, the first inline citation is to ''https://books.google.co.uk/books?id=Vu5SAAAAMAAJ Basseville and Nikiforov 1993
— user:Andrew, 13:07, 24 November 2018 (UTC)
Stance: keep
Cited policy: WP:SK (Wikipedia:Speedy keep)