Modelling Greening Investors: Economic Development, Opinion Formation, and Technological Change in a Multilevel Simulation Model. - Kai-H. Brassel; Ottmar Edenhofer; Michael Möhring; Klaus G. Troitzsch (Tools and Techniques for Social Science Simulation, 1997)

Flexible Modelling with VSEit, the Versatile Simulation Environment for the Internet. - Kai-H. Brassel (J. Artif. Soc. Soc. Simul., 2001)