Early warning signals for critical transitions in power systems
Determining the lowest-cost hydrogen delivery mode
Kundennutzen durch neue Bahn-Technologien - Fachtagung im ETG-Kongress 2007
Reliability is key to distribution design for airline reservations
Politisch blockierte Erdgaspipeline aus Russland
Design and Analysis of Supervisory Platform of Campus Energy Saving
A transportation ecology model-conceptual developments
Pipeline issues shape Southern FSU oil, gas development
Trends und Probleme bei modernen Hochleistungs-Solarzellen (2. Teil)
Alternative ocean energy products and hybrid geothermal - OTEC (GEOTEC) plants