南京林业大学学报（自然科学版）
INTERSPECIFIC VARIATION IN PHYSIOLOGY OF CONIFERAND ANALYSIS BY FUZZY CLUSTER
Zhang Ruhua Chen Tianhua Zheng Youfei(Nanjing Forestry University Nanjing 210037) (Nanjing Meterology College)Wang Qiming
JOURNAL OF NANJING FORESTRY UNIVERSITY . 1998, (03): 95 -98 .  DOI: 10.3969/j.jssn.1000-2006.1998.03.021

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