I work in fluid dynamics. Page numbers for an article are standard. Page numbers for a specific piece of information are not. E.g., it's common for someone to

I work in fluid dynamics. Page numbers for an article are standard. Page numbers for a specific piece of information are not. E.g., it's common for someone to write [1] but not [1, p. 528]. In fact, I recently had a typesetter seem confused about my use of the latter style, thinking that the pages referred to the article I wrote rather than the cited article.