Energy Conserve in Industry — Combustion, Heat Recovery and Rankine Cycle MachinesH. Ehringer, G. Hoyaux, P. PilavachiInbunden, 19831 633 kr
Energy Conservation in Transport New Engines and FlywheelsH. Ehringer, G. Hoyaux, P. PilavachiInbunden, 19831 091 kr
Energy Conserve in Industry — Combustion, Heat Recovery and Rankine Cycle MachinesH. Ehringer, G. Hoyaux, P. PilavachiHäftad, 20101 633 kr
Energy Conservation in Buildings Heating, Ventilation and InsulationH. Ehringer, G. Hoyaux, P. ZegersInbunden, 19832 174 kr