LENZEN Manfred

Editor of Economic System Research

ISA - Integrated Sustainability Analysis

A28 - School of Physics

The University of Sydney NSW 2006, Australia

Tel: +61 (0)2 9036 9365

Fax: +61 (0)2 9351 7726

E-mail:esr(at)physics.usyd.edu.au

LOS Bart

Editor of Economic System Research

Faculty of Economics

University of Groningen, P.O. Box 800

9700 AV Groningen, The Netherlands

Tel: +31 50 363 7317

Fax: +31 50 363 3720

E-mail: b.los(at)rug.nl