@article{oai:twinkle.repo.nii.ac.jp:00023216,
 author = {SAWAMURA, Jitsuki and MORISHITA, Shigeru and ISHIGOOKA, Jun},
 issue = {4},
 journal = {Journal of clinical bioinformatics},
 month = {Jun},
 title = {Interpretation for scales of measurement linking with abstract algebra},
 year = {2014}
}