Conference mondiale de l'energie 14e Congres Montreal 89 = World Energy Conference 14th Congress Montreal 89 : l'energie demain = energy for tomorrow : L'ENERGIE ET LA TECHNOLOGIE = ENERGY AND TECHNOLOGY : ENERGIE ATOMIQUE = NUCLEAR ENERGY ; ENERGIES RENOUVELABLES ET SYSTEMES = ENERGY SYSTEMS AND RENEWABLES. 4.3A/4.3B (Nepoznat, 1989)