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Renewable and Sustainable Energy Reviews > 2013 > 24 > Complete > 314-324
Acta Agraria et Silvestria. Series Agraria > 2005 > 44 > 2 > 57-63
Renewable and Sustainable Energy Reviews > 2013 > 24 > Complete > 314-324
Acta Agraria et Silvestria. Series Agraria > 2005 > 44 > 2 > 57-63