[1] University of Ljubljana,
[2] Biotechnical faculty Department of Wood Science and Technology Rožna dolina c VIII/34,undefined
[3] Ljubljana,undefined
[4] SLO,undefined
[5] Southern Research Station,undefined
[6] USDA Forest Service 2500 Shreveport Highway,undefined
[7] Pineville,undefined
[8] LA 71360,undefined
[9] USA,undefined