Dominique A.M. Noiton and Peter A. Alspach (September 1996) "Founding Clones, Inbreeding, Coancestry, and Status Number of Modern Apple Cultivars", Journal of the American Society for Horticultural Science 121:773-782 [1]Archived 2014년 6월 9일 - 웨이백 머신
Dominique A.M. Noiton and Peter A. Alspach (September 1996) "Founding Clones, Inbreeding, Coancestry, and Status Number of Modern Apple Cultivars", Journal of the American Society for Horticultural Science 121:773-782 [1]Archived 2014년 6월 9일 - 웨이백 머신