Hydrocarbons : source of energy : proceedings of the first seminar on the results of the sub-programme "Optimization of the Production and Utilization of Hydrocarbons", held in Lyon, France, 21-23 September, 1988 /
Imarisio, G.
Frias, M.
Bemtgen, J. M.
Commission of the European Communities.
London : Graham & Trotman for the Commission of the European Communities,
1989.
Hydrocarbons.