Okken, P. (1991). The challenge of drastic CO2 reduction opportunities for new energy technologies to reduce CO2 emissions in the Netherlands energy system up to 2020. The Netherlands: ECN.
Chicago Style CitationOkken, P.A. The Challenge of Drastic CO2 Reduction Opportunities for New Energy Technologies to Reduce CO2 Emissions in the Netherlands Energy System Up to 2020. The Netherlands: ECN, 1991.
MLA CitationOkken, P.A. The Challenge of Drastic CO2 Reduction Opportunities for New Energy Technologies to Reduce CO2 Emissions in the Netherlands Energy System Up to 2020. The Netherlands: ECN, 1991.
Warning: These citations may not always be 100% accurate.