Degener, J. (1999). Resistance of sunflower (Helianthus annuus L.) inbred lines and factorial crosses to the pathogens Phomopsis helianthi Munt. Cvet. et al. and Sclerontinia sclerotiorum (Lib.) de Bary.
Chicago Style (17th ed.) CitationDegener, Joachim. Resistance of Sunflower (Helianthus Annuus L.) Inbred Lines and Factorial Crosses to the Pathogens Phomopsis Helianthi Munt. Cvet. Et Al. and Sclerontinia Sclerotiorum (Lib.) De Bary. 1999.
MLA (9th ed.) CitationDegener, Joachim. Resistance of Sunflower (Helianthus Annuus L.) Inbred Lines and Factorial Crosses to the Pathogens Phomopsis Helianthi Munt. Cvet. Et Al. and Sclerontinia Sclerotiorum (Lib.) De Bary. 1999.
Warning: These citations may not always be 100% accurate.