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M. G. Eversmeyer, C. L. Kramer, Survival and Germination of Urediniospores of Puccinia recondita and P. graminis, Transactions of the Kansas Academy of Science (1903-), Vol. 92, No. 3/4 (1989), pp. 159-175
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Eversmeyer et al. (1989) studied this question.
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