@incollection{OrbachBusch2004, author = {Orbach, Thomas and Busch, Timo}, title = {Towards sustainable banks and insurance companies}, booktitle = {Eco-efficiency and beyond : towards the sustainable enterprise}, editor = {Seiler-Hausmann, Jan-Dirk}, publisher = {Greenleaf}, address = {Sheffield}, pages = {177 -- 181}, year = {2004}, language = {en} }