title: Reflections: 40 years of JCL.
authors.affiliation: University of Bangor.
authors.forename: David
authors.initials: D
authors.lastname: Crystal
mesh_terms: D002648:Child; D002663:Child Language; D049673:History, 20th Century; D049674:History, 21st Century; D006801:Humans; D010506:Periodicals as Topic / Q000266:history