Xiong, Huan, et al. “Effects of Storage Temperature and Duration on Pollen Grain Viability and Pollen-Tube Elongation in Chinese Chinqapin (Castanea Henryi Skan)”. Bangladesh Journal of Botany, vol. 49, no. 2, Sept. 2020, pp. 297-04, doi:10.3329/bjb.v49i2.49310.