001: 794
003: Starlibrary PMS 4.5
005: 20180430
020: ^a0-13-012972-0
066: ^aDo.A
072: ^aprogramming for sequential files
082: ^a005.1301
100: ^aDon Cassel
240: ^aAdvanced structared cobol and program design
245: ^aAdvanced structared cobol and program design
260: ^c1988
650: ^asequentlal file concepts
650: ^astructured program design