TY - BOOK AU - Alemu,Gezahgne TI - Diseases of exotic plantation forestry trees in Ethiopia / U1 - 634.96 PY - 2003/// CY - Pretoria, KW - Trees KW - Diseases and pests KW - Forests and forestry N1 - Thesis (Ph. D, Forestry) - University of Pretoria, 2003; Includes bibliographical references ER -