@article{oai:soar-ir.repo.nii.ac.jp:00010848,
 author = {菅原,  聰},
 issue = {1},
 journal = {信州大学農学部紀要},
 month = {Jun},
 note = {Article, 信州大学農学部紀要 9(1): 1-21(1972)},
 pages = {1--21},
 title = {道東地方におけるカラマツ林の間伐},
 volume = {9},
 year = {1972}
}