Deletion of NATURAL

Comment: My searches are mainly turning up firms proposing migration from ADABAS/NATURAL rather than in-depth coverage of the 4GL itself. A comment on the article Talk page suggests that reference material is available to licensed users on the vendor's site, but that would be primary sources. NATURAL itself already has brief context coverage on the :ADABAS and :Software AG pages. Falls short of  and 
Stance: delete
Cited policy: Wikipedia:Notability (:WP:PRODUCT||:WP:GNG)