Bibliography

Object Analysis and Design Comparison of Methods: Author: Object Management Group Publisher: John Wiley and Sons
Principles of Object Oriented Analysis and Design: Author: James Martin
Publisher: Prentice-Hall
Object Oriented Methods: Author: Ian Graham
Publisher: Addison-Wesley
Object Lifecycles: Modeling the World in States: Author: Sally Shlaer & Stephen J. Mellor Publisher: Prentice-Hall