Publicaties van het type Conferentiebijdrage in 1990.
Okken, P.A.; Kram, T.;
Calculation of actual CO2-emissions from fossil fuels.
ECN-RX--90-048 EN 1990; 0 pag.
Gepresenteerd op: ETSAP-IV workshop, Paris, France, 22-23 mei 1990.
 
Oostvoorn, F. van; Linden, N.H. van der;
European economic integration and the prospects for natural gas. : Paper presented at the EAEE conference 'Energy trends, integrated Europe, ; decentralized USSR', Tallinn, 21-24 October 1990.
ECN-R--90-009 EN 1990; 0 pag.
 
Kram, T.; Okken, P.A.;
Impacts of environmental and oil-price constraints on automotive power systems and fuels.
ECN-RX--90-049 EN 1990; 0 pag.
Gepresenteerd op: Conference on automotive power systems environment and conservation, Chester, UK, 10-12 september 1990.
 
Ybema, J.R.;
On comparing the emissions of different greenhouse gases.
ECN-RX--90-082 EN 1990; 0 pag.
Gepresenteerd op: IEA/ETSAP-workshop, Geneva, Switzerland, 8-11 oktober 2006.
 
Gusbin, D.; Oostvoorn, F. van;
Strategies for acid pollutant reduction in the EC. Methodology for assessment.
ECN-RX--90-084 EN 1990; 0 pag.
Gepresenteerd op: Conference Environmental cooperation and policy in the single European market, Venice, Italy, 17-20 april 1990.