TY - BOOK AU - O'Loughlin,Colin Lookhart ED - National Research Council. Canada. TI - A study of tree root strength deterioration following clearfelling CY - [S.I] PB - National Research Council, 1974. KW - Forest management KW - Forest and forestry N1 - "Reprinted from: Canadian journal of forest research (v. 4, no. 1, 1974) ER -