引用本文: | 李世明1, 孙淑, 韩学文. 德国森林经营与林木良种建设的经验及启示[J]. 北京林业大学学报(社会科学版), 2008, 7(4): 77-79. |
Citation: | LI Shi-ming, SUN Shu, HAN Xue-wen. Experiences and Lessons Learned from Germany on Forest and Seeds and Seedling Management[J]. Journal of Beijing Forestry University (Social Science), 2008, 7(4): 77-79. |