@article{oai:tsukuba.repo.nii.ac.jp:00025283,
 author = {Kleinschmidt, Harald},
 journal = {筑波大学地域研究, Area studies Tsukuba},
 month = {Mar},
 pages = {141--173},
 title = {Perception and Action Notes on the History of Their Separation as Concepts in Medieval Europe},
 volume = {19},
 year = {2001}
}