Stubbs, R., & Stubbs, R. ;. F. The international survey of factors of virulence of puccinia striiformis Westend.in 1969,1970 and 1971. Wageningen: Institute for Phytopathological Research.
Chicago Style CitationStubbs, R.W., and R.W. ; Fuchs Stubbs. The International Survey of Factors of Virulence of Puccinia Striiformis Westend.in 1969,1970 and 1971. Wageningen: Institute for Phytopathological Research.
MLA CitationStubbs, R.W., and R.W. ; Fuchs Stubbs. The International Survey of Factors of Virulence of Puccinia Striiformis Westend.in 1969,1970 and 1971. Wageningen: Institute for Phytopathological Research.
Warning: These citations may not always be 100% accurate.