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Progresul tehnic şi reducerea cheltuielilor materiale
Horovitz, Marcu, (1987)
Natural resource accounting in a multi-objective context
Gilbert, A., (1986)
On borrowed time? : Assessing the threat of mineral depletion
Tilton, John E., (2003)
Challenges to the world economy : Festschrift for Horst Siebert ; with 15 tables
Pethig, Rüdiger, (2003)
The assignment problem
Siebert, Horst, (2001)
Anpassungsprozesse in einer offenen Volkswirtschaft mit nicht-handelbaren Gütern
Siebert, Horst, (1988)