001: 79672
003: Starlibrary PMS 4.5
005: 20180430
020: ^a0-12-711740-2
066: ^aFr.d
072: ^adata languages
082: ^a005.74
100: ^aFrederick Heelis
240: ^adata base management systems
245: ^adata base management systems
260: ^c1977
650: ^adata models
650: ^ahierarchical systems
650: ^ainfromation systems and data base management systems
700: ^a dionysios c. tsichritzis