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Liu, Yubing, Xinrong Li, Guoxiong Chen, Mengmeng Li, Meiling Liu, och Dan Liu. "Epidermal Micromorphology and Mesophyll Structure of Populus Euphratica Heteromorphic Leaves At Different Development Stages." PLoS One 2015.

Liu, Yubing, et al. "Epidermal Micromorphology and Mesophyll Structure of Populus Euphratica Heteromorphic Leaves At Different Development Stages." PLoS One 2015.