Characteristics of declarative programming languages. 1999. RobertHarper(英语:RobertHarper (computerscientist)). What, If Anything, Is A Declarative Language? (页面存档备份,存于互联网档案馆)
Jersey的活跃开发。 在1990年,Robin Milner、Mads Tofte(英语:Mads Tofte)和RobertHarper(英语:RobertHarper (computerscientist))制定的Standard ML的正式规定《The Definition of Standard
(Moses 1970) as a place to start. David Turner(英语:David Turner (computerscientist)). Some History of Functional Programming Languages (PDF). [2021-10-25]