@inproceedings{oai:kutarr.kochi-tech.ac.jp:00001129,
 author = {NAGAI, Kohei and YABE, Mariko and KANAMORI, Ryo},
 book = {Society for Social Management Systems Internet Journal},
 month = {Sep},
 publisher = {Society for Social Management Systems},
 title = {A Study on the Frequency of Movements in a Mountainous Region Focusing on Age-Group and Areas of Activities},
 volume = {7},
 year = {2011}
}