@article{oai:tsukuba.repo.nii.ac.jp:00025262, author = {Kavanaugh, Kevin P.}, journal = {筑波大学地域研究, Area studies Tsukuba}, month = {Mar}, pages = {15--31}, title = {Time and Time Again : Cycles of Violence and Intra-State Conflict}, volume = {22}, year = {2004} }