Azimi, M., Farokhinejad, R., Mehrabi-Koushki, M., (2017). Australasian Plant Disease Notes 12(1), 27. Springer, Dordrecht, Netherlands. English language
Ansari, S., Daehler, C. C., (2011). Pacific Science 65(4), 451-463. University of Hawaii Press, Honolulu, USA. English language
Fránová, J., Petrzik, K., (2010). Journal of Phytopathology 158(4), 317-320. Blackwell Publishing, Berlin, Germany. English language
Prasad, N. S., Rao, A. R., Rao, G. M., (1997). Indian Forester 123(8), 773-774. English language
Rahimian, H., Zarei, A., (1998). Iranian Journal of Plant Pathology 34(3/4), 197-212 (Pe), 60-62 (En). Persian language
USA, University of Illinois (1991) External factsheets, University of Illinois, 2 pp., English language
Becking, R. W., (1970). Madrono 20(7), 382-3. English language
Dias, H. F. , (1963). Annals of Applied Biology 51(1), 85-95 pp. not specified language
Conn, H. J., (1947). Journal of Bacteriology 54, 10. English language
Buchwald, N. F., (1942). Gartner Tidende 58, 421-423. Danish language