TY - BOOK AU - Oelert, Gerhard AU - Auer, Falk AU - Pertz, Klaus TI - Economic issues of renewable energy systems: a guide to project planning SN - 3-88085-3 U1 - 333.794 PY - 1988/// CY - Eschborn PB - GTZ KW - Recursos Energéticos Renovables KW - Economía KW - Consumo de Energía N1 - 02648; The global situation in developing countries. Energy consumption patterns. Commercial and traditional energy. Sectoral structure of energy consumption. Environmental degradation. Framework of the investigation. Economic analyses by case studies ER -