@phdthesis{oai:tsukuba.repo.nii.ac.jp:00020742,
 author = {中津山, 英子 and Nakatsuyama, Eiko},
 month = {},
 note = {1996},
 school = {筑波大学, University of Tsukuba},
 title = {ラット採餌過程における餌への対処行動選択の諸要因},
 year = {1997}
}