Submitted on: 18 May 2010.
Revised on: 11 September 2010.
Accepted on: 25 September 2010.
___________________Austrian Journal of Forest Science
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Submitted on: 01 October 2016.
Revised on: 05 December 2016.
Accepted on: 18 January 2017.
___________________Austrian Journal of Forest Science
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Submitted on: 13 May 2006.
Revised on: 23 August 2006.
Accepted on: 15 October 2006.
___________________Austrian Journal of Forest Science
Submitted on: 10 December 2006.
Revised on: 14 March 2007.
Accepted on: 02 May 2007.
___________________Austrian Journal of Forest Science
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