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Submitted on: 11 May 2014.
Revised on: 25 May 2014.
Accepted on: 21 June 2014.
SURFACE REVIEW AND LETTERS
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Submitted on: 14 May 2013.
Revised on: 26 May 2013.
Accepted on: 22 June 2013.
SURFACE REVIEW AND LETTERS---WORLD SCIENTIFIC PUBL CO PTE LTD
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