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Measuring the benefit-cost ratio of public IPM technology transfer programs
an optimal control framework and an application to Nepalese agriculture -
Wem gehört die biologische Vielfalt?
eine kurze Darstellung der Debatte über die Verfügungsrechte an der biologischen Vielfalt -
Measuring the benefit-cost ratio of public IPM technology transfer programs : an optimal control framework and an application to Nepalese agriculture