H. Ehringer – författare

Energy Conservation in Buildings Heating, Ventilation and Insulation

Energy Conservation in Transport New Engines and Flywheels

Energy Conservation in Industry Applications and Techniques

Energy Conserve in Industry — Combustion, Heat Recovery and Rankine Cycle Machines

Proceedings of the Contractors’ Meetings held in Brussels on 10 and 18 June, and 29 October 1982

Energy Conserve in Industry — Combustion, Heat Recovery and Rankine Cycle Machines

Proceedings of the Contractors’ Meetings held in Brussels on 10 and 18 June, and 29 October 1982