00712nam0-22002651i-450-990001011360403321000101136FED01000101136(Aleph)000101136FED0100010113620000920d1980----km-y0itay50------baengAspects of EnergyIiasa reportLaxenburgInternational Institute for Applied Systems Analysis1980IIASA Reports1Problemi energetici00-09ITUNINARICAUNIMARCBK9900010113604033211H-06712778FI1FI1Aspects of Energy354937UNINAING01