Butti and Perlin 1981, p | 181• International Energy Agency |
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Tadesse I, Isoaho SA, Green FB, Puhakka JA 2003 | EAWAG The Swiss Federal Institute for Environmental Science and Technology |
TO Engineering | New Resources Group |
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Tiwari 2003 , p | Perlin and Butti 1981 , p |
5 2 | 850 |
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5, 442—446, English translation: Ukr |