TY  - RPRT
TI  - Ontological measurement.
AU  - Y P Gunji
AU  - K Ito
AU  - Y Kusunoki
PY  - 1998
DO  - 10.1016/s0303-2647(97)00096-8
UR  - https://pubmed.ncbi.nlm.nih.gov/9648690/
ID  - 9648690
ER  -