Wikipedia:Articles for deletion/Parametric innovation
One source being password-protected is not really an issue (as long as it is ''published'' to a relatively large audience, like paywalled research papers are), but the original url of the ref is at *.wordpress.com which strongly implies that the end url is a . The "table" ref is hardly well-written, as well as not mentioning "parametric innovation" even once
— NONE, NONE
Stance: delete
Cited policy: WP:SPS (Wikipedia:Verifiability)