The utilization of renewable energy sources - a contribution to the improvement of rural energy supply

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Bibliographic Details
Main Authors: 48936 BIERMANN, E.R., 9257 GTZ, (Alemania)
Format: biblioteca
Published: [sl], [sf]
Subjects:PLANES, PROGRAMAS Y PROYECTOS, TECNOLOGIA, FUENTE DE ENERGIA, ZONAS RURALES,
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