@techreport{oai:tsukuba.repo.nii.ac.jp:00022709,
 author = {Nogami, Yoshiko and 野上, 佳子},
 month = {},
 note = {Includes bibliographical references},
 title = {Regret region hypothesis testing using unbiased statistics : application to the left-retracted exponential distribution},
 year = {2003}
}