Culleton, N., W.E. Murphy, and R.R. Hicks. “Competition Control for Establishment of Ash (Fraxinus Excelsior L.) on Lowland Soil in Ireland. ”. Irish Forestry (November 1, 1995). Accessed April 27, 2024. https://journal.societyofirishforesters.ie/index.php/forestry/article/view/9754.