Deletion of Ewald series

Comment: as above, fails otability (books); I can't find any coverage in independent sources at all
Stance: delete
Cited policy: Wikipedia:Notability (WP:N)

Comment: self-published (lulu.com), no independent references, completely fails otability (books
Stance: delete
Cited policy: Wikipedia:Notability (WP:N)

Comment: The SPA notwithstanding, there's no evidence that anyone's heard of this vanity publication, however much the producers are diligent with their self-promotion.  Beyond that, the article is a |coatrack for the authors
Stance: delete
Cited policy: Wikipedia:Coatrack articles (WP:COATRACK)