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Progresul tehnic şi reducerea cheltuielilor materiale
Horovitz, Marcu, (1987)
Nutzungskosten, intertemporale Allokation und Nutzungsrechte
Siebert, Horst, (1986)
On borrowed time? : Assessing the threat of mineral depletion
Tilton, John E., (2003)
Economic effects of emission reduction : impacts on industry
Hafkamp, Wim A., (1991)
Integrated economic-environmental energy policy and conflict analysis
Hafkamp, Wim A., (1986)
Integrated economic environmental energy policy and conflict analysis