@article{oai:repository.dl.itc.u-tokyo.ac.jp:00025227,
 author = {Son, JiYoung and Sakurai, Rin and Nitami, Toshio and Sakai, Hideo},
 journal = {東京大学農学部演習林報告},
 month = {Feb},
 note = {Original Article},
 pages = {1--13},
 title = {Development of a Method of Forest Road Network Planning Using GIS that Discriminates and Avoids Dip Slopes},
 volume = {130},
 year = {2014}
}