南京林业大学学报（自然科学版）
The nut characters of old Ginkgo trees in Ninghua county
WANG Guibin1, CAO Fuliang1, ZHU Cancan1, ZHANG Wangxiang1, ZHANG Rumei2
JOURNAL OF NANJING FORESTRY UNIVERSITY . 2009, (02): 22 .  DOI: 10.3969/j.jssn.1000-2006.2009.02.006

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