1. Current diseases of Coffea arabica and C. canephora in East Africa causing crop losses;Hindorf;Meded Fac Landbouwwet Univ Gent,1998
2. Coffee rust epidemiology and control;Waller;Crop Prot,1982
3. Ethiopian coffee – its significance to world coffee problems;Sylvain;Econ Bot,1958
4. Selection of Arabica coffee types resistant to coffee berry disease in Ethiopia;Van der Graaff,1981
5. Monograph of the genus Hemileia (Uredinales);Ritschel,2005