Lure of Icarius with new design and materials, human-powered fliers challenge the distance record. Scientific American.

Author:Carlson, Shawn.;

Energía. El joven investigador.

Author:Jennings, Terry.;

Energy research in developing countries.

Author:Graham, Stephen, comp.; IDRC.;

Diagnóstico tecnológico del sector energía : informe final.

Author:Universidad de Costa Rica. Instituto de Investigaciones en Ingeniería.; Camacho, Hernán. Chacón, José Joaquín. Meléndez, Denis.;

Human energy. Human energetics.

Author:Desai, Ashok V, ed.. Borrini, Grazia. Margen, Sheldon.;

Human energy.

Author:Desai, Ashok V, ed.; International Development Research Centre. United Nations University.;

Renewable energy sources in small-scale water pumping systems.

Author:Johansson, Sam. Nilsson, Roy.;