Submitted on: 20 April 2015.
Revised on: 21 May 2015.
Accepted on: 18 June 2015.
___________________Applied Catalysis B-Environment and Energy
Submitted on: 15 December 1998.
Revised on: 28 January 1999.
Accepted on: 10 March 1999.
___________________Applied Catalysis B-Environment and Energy
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Submitted on: 16 April 2001.
Revised on: 30 May 2001.
Accepted on: 11 June 2001.
___________________Applied Catalysis B-Environment and Energy
Submitted on: 11 April 2012.
Revised on: 07 May 2012.
Accepted on: 23 June 2012.
___________________Applied Catalysis B-Environment and Energy
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