In a reference, the pages of an article or analogous subdocument in which a publication resides. Specified as a sequence of two integers.
(=> (Ref.Pages $X $Y) (List $Y)) (=> (= (Ref.Pages ?Ref) ?Page-Range) (Integer (First (Rest ?Page-Range)))) (=> (= (Ref.Pages ?Ref) ?Page-Range) (Integer (First ?Page-Range))) (=> (= (Ref.Pages ?Ref) ?Page-Range) (Or (Book-Section-Reference ?Ref) (Article-Reference ?Ref) (Proceedings-Paper-Reference ?Ref)))