. References-ecofrig, Consulting Group for Environmental Economics and Policies, p.8002

S. Zürich, ECOFRIG " zuerich@infras.ch -Francis Meunier, 2007.

-. Wahlen, A program to save the ozone layer, Federal Ministry for Economic Cooperation and Development (BMZ), Environment and Sustainable Use of Natural Resources Division, GTZ Proklima, Manuel du Protocole de Montréal relatif à des substances qui appauvrissent la couche d?ozone -Somchai. Wongwises, Nares Chimres, Energy Conversion and Management, pp.85-100, 2004.