001: 821
003: Starlibrary PMS 4.5
005: 20180430
020: ^a0-201-54709-0
066: ^aTi.O
072: ^aclasses and methods
082: ^a005.13
100: ^aTimo thy Budd
240: ^aObigect - Orented programming
245: ^aObigect - Orented programming
260: ^c1991
650: ^aresponsibility-driven design
650: ^athinking object-oriented