@article{oai:ritsumei.repo.nii.ac.jp:00008125,
 author = {梅澤, 華子},
 journal = {Ritsumeikan international affairs},
 month = {Mar},
 pages = {1--20},
 title = {The UN-EU cooperation in peace and security : conceptual and historical development},
 volume = {12},
 year = {2014}
}