Ní Dhubháin, Áine, Donal Magner, and Maarten Nieuwenhuis. “Juvenile Wood in Irish Grown Sitka Spruce and the Impact of Rotation Length.”. Irish Forestry (November 1, 2006). Accessed April 19, 2024. https://journal.societyofirishforesters.ie/index.php/forestry/article/view/9978.