Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) IHOBE Hiroshi,"A relationship between ranging patterns and bed-building behavior of the M group chimpanzees at Mahale, Tanzania",Primate Research Supplement,,Primate Society of Japan,2007,23,0,44-44,https://cir.nii.ac.jp/crid/1390282680612633984,https://doi.org/10.14907/primate.23.0.44.0