Materias dentro de su búsqueda.
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Power resources
Power (Mechanics)
11
Energy policy
4
Ressources e ́nerge ́tiques
4
Zeitschrift
4
Environmental aspects
3
Renewable energy sources
3
Cogeneration of electric power and heat
2
Energiepolitik
2
Energy conservation
2
Energy development
2
Energy-Generating Resources
2
Environmental policy
2
Natuurlijke hulpbronnen
2
Politique e ́nerge ́tique
2
Regionalentwicklung
2
Research
2
Umweltschutz
2
43.33 natural resources management
1
50.70 energy (technical sciences)
1
83.63 environmental economics
1
E ́nergie me ́chanique
1
E ́nergies renouvelables
1
Elektrochemische Energietechnik
1
Energie (exacte wetenschappen)
1
Energietechnik
1
Energieversorgung
1
Energiewirtschaft
1
Energy consumption
1
Environment
1
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