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90年代林业科技发展展望研讨会发官摘要···························……本刊编辑部(1)(1)世界林业科研进展与趋向一一IUFRO第19届世界大会论文综述···············……(3)(1) 集约育林一世界林业研究的主要课题·········
Seminar on Forestry Science and Technology Outlook for Development in the 90s 发布 ·············································································································· World forestry research progress and tendencies IUFRO 19th World Congress Summary ······················································································································ (3) (1) ...