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  1. Co-op 27, 28, 29, 30, and 31 : five disease-resistant apple selections released for advanced testing / S.S. Korban ... [et al.].
    By: Korban, S. S. - Purdue University.
    Publication info: [Urbana, Ill.] :Agricultural Experiment Station, College of Agriculture, University of Illinois at Urbana-Champaign in cooperation with the Agricultural Experiment Station of Purdue University, West Lafayette, Indian[1990]
    Contributed by: University of Illinois Urbana Champaign
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  2. Disease-resistant apple cultivars developed from the apple breeding program at the University of Illinois / S.S. Korban and P.A. O'Connor.
    By: Korban, S. S. - O'Connor, P. A.
    Publication info: [Urbana, Ill.] :Agricultural Experiment Station, College of Agriculture, University of Illinois at Urbana-Champaign,[1990]
    Contributed by: University of Illinois Urbana Champaign
    View Book