Werner Hildenbrand Home Page - Prof. Dr. Werner Hildenbrand at Institute for Economic Theory II, University of Bonn/Germany, contains cv and list of publications. - http://www.wiwi.uni-bonn.de/fgh/inhalt_e.html
Information about Hugo Sonnenschein - He is one of the prominent economic theorists on general equilibrium and market demand. - http://cepa.newschool.edu/het/profiles/sonnens.htm
Thorsten Hens Home Page - Professor of economics at University of Zurich/Switzerland. Page contains references to his research on incomplete markets, financial innovations, general equilibrium analysis and others. - http://www.iew.unizh.ch/home/hens/index.html