"Research" . . "Biomasse (Biologie)" . . "Agrarproduktion." . . "Energie de la biomasse." . . "Erneuerbare Ressourcen." . . "Renewable resources" . . "Makroökonomie." . . "Non-food produktion" . . "Congrès." . . "EF" . . "Nachwachsender Rohstoff." . . "European Communities" . . "Evaluation." . . . "Conference papers and proceedings" . "Conference papers and proceedings"@en . . . . . . . . . . . . . "Macroeconomic evaluation of renewable resources from biomass papers presented at a seminar held in Braunschweig, Federal Republic of Germany, April 1989"@en . . . . . . . . . . . . . . . . . . . . "Macroeconomic evaluation of renewable resources from biomass : papers presented at a seminar held in Braunschweig, Federal Republic of Germany, 1989" . . "Macroeconomic evaluation of renewable resources from biomass : papers presented at a seminar held in Braunschweig, Federal Republic of Germany, April 1989" . . . . . . . . . . "Kongress" . . . . . "Forskning" . . "Ressources renouvelables." . . "Braunschweig <1989>" . . "Risorse rinnovabili da biomasse Aspetti macroeconomici." . . "Landwirtschaftliche Produktion." . . "Økonomi" . . . . "Pflanzliche Rohstoffe." . . "Congress" . . "Biomass" . . "Kongres" . . "Biomasse." . . "Biomasse" . "Economics" . . "Non-food production" . . "Evaluation économique." . . "Vedvarende ressourcer" . .