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International Journal of Hydrogen Energy > 2010 > 35 > 20 > 10977- 10983
International Journal of Hydrogen Energy > 2009 > 34 > 15 > 6085-6088
International Journal of Hydrogen Energy > 2010 > 35 > 20 > 10977- 10983
International Journal of Hydrogen Energy > 2009 > 34 > 15 > 6085-6088