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石思信, 田yue. 超低温(-196℃)中保存一年的黑麦花粉生活力[J]. 生理学报 1989; 41 (4): .

Shi Sixin, Tian Yue. Fertility and viability of rye pollen after storage in liquid nitrogen (-196℃) for a year. Acta Physiol Sin 1989; 41 (4): (in Chinese with English abstract).