Measuring eco-innovation: framework and typology of indicators based on causal chains: final report of the ECODRIVE Project
Huppes, G., Kleijn, R., Huele, R., Ekins, P., Shaw, B., Esders, M. and Schaltegger, S. 2008. Measuring eco-innovation: framework and typology of indicators based on causal chains: final report of the ECODRIVE Project. Leiden, London, Lüneburg ECODRIVE Report to the European Commission.