References
Phytophthora on Betula spp. (birch). JKI Data Sheets – Plant Diseases and Diagnosis [Internet]. 2013 ;80:7 pp. Available from: http://www.jki.bund.de/fileadmin/dam_uploads/_veroeff/JKI_Datenblaetter/Phytophthora/englisch/final_Betula_en.pdf
.