LEONARD, K. J. Plant disease epidemiology genetics resistance and management. Mc.Graw Hill Pub .Co.
Lua i Stíl Chicago (17ú heag.)LEONARD, KURT J. Plant Disease Epidemiology Genetics Resistance and Management. Mc.Graw Hill Pub .Co.
Lua MLA (8ú heag.)LEONARD, KURT J. Plant Disease Epidemiology Genetics Resistance and Management. Mc.Graw Hill Pub .Co.
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