Bulletin of the Transilvania University of Brasov, Series II: Forestry, Wood Industry, Agricultural Food Engineering. 2013, Vol. 6 (55) Issue 1, p27-32. 6p.
Bulletin of the Transilvania University of Brasov, Series II: Forestry, Wood Industry, Agricultural Food Engineering. 2011, Vol. 4 (53) Issue 1, p15-20. 6p.