GEOGRAPHIC VARIATION OF FROST INJURY IN MASSON PINE PROVENANCES
Wang Qiming (Forestry Research Institute of Jiangsu) Xu Lian Chen Tianhua Wang Zhangrong
JOURNAL OF NANJING FORESTRY UNIVERSITY . 1993, (03): 32 -38 .  DOI: 10.3969/j.jssn.1000-2006.1993.03.008