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Jerry M. Baskin, Carol C. Baskin, Ecophysiology of Seed Dormancy and Germination in Torilis japonica in Relation to Its Life Cycle Strategy, Bulletin of the Torrey Botanical Club, Vol. 102, No. 2 (Mar. - Apr., 1975), pp. 67-72
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Baskin et al. (1975) studied this question.
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