17. Indication Generators
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[1] L. Richard,et al. Data collection in developing countries , 1982 .
[2] Ray Holland. Micro Hydro Electric Power: Technical papers 1 , 1983 .
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[1] L. Richard,et al. Data collection in developing countries , 1982 .
[2] Ray Holland. Micro Hydro Electric Power: Technical papers 1 , 1983 .