Clone of Wonderland
Mila GAllais
From Warren C. Sanderson in Population - Development - Environment, Wolfgang Lutz (Ed.), 1994, Springer.

More readable equations in Milik et al. Environemental Modeling and Assessment 1(1996)3-17.

Additional informations in Sanderson 1995: http://dx.doi.org/10.1080/08898489509525405

Vensim graphical representation from "Meta-SD blog", Tom Fiddaman.