F. Fermi, D. Fiorello, P. Christidis, J. Geerts, K. Lautso, M. Noel, P. Pfaffenbichler, A. Purwanto, S. Shepherd, M. Wegener:
"Chapter 4: The modelling system";
in: "STEPS - Transport strategies under the scarcity of energy supply", A. Monzon, A. Nuijten (ed.); Buck Consultants International, The Hague, 2006, ISBN: 90-9020880-1, 57 - 70.
Project Head Günter Emberger:
STEPS