Shlaer, Stephen Mellor (1988) Object-Oriented Systems Analysis: Modeling the World in Data, Yourdon Press. Sally Shlaer, Stephen Mellor (1991) Object Lifecycles: Modeling the World in States, Yourdon Press. Leon Starr (1996) How to Build Shlaer–Mellor Object Models. Prentice Hall. References External links Shlaer–Mellor and Executable UML Portal, blog 2008-2011 Shlaer–Mellor and Executable UML References, 2008 Shlaer-Mellor Metamodel Blog, 2011 Software design Systems analysis