DOE:10.2355/isijinternational.30.905 DOE:10.2355/isijinternational.31.1049 DOE:10.2355/isijinternational.31.1063 DOE:10.2355/isijinternational.31.1192 DOE:10.2355/isijinternational.33.26 DOE:10.2355/isijinternational.36.846 DOE:10.2355/isijinternational.36.947 DOE:10.2355/isijinternational.36.1119 DOE:10.2355/isijinternational.38.1277 DOE:10.2355/isijinternational.39.637 DOE:10.2355/isijinternational.39.1088 DOE:10.2355/isijinternational.42.1344 DOE:10.2355/isijinternational.42.1376 DOE:10.2355/isijinternational.43.1640 DOE:10.2355/isijinternational.43.2023 DOE:10.2355/isijinternational.48.739 DOE:10.2355/isijinternational.48.934 DOE:10.2355/isijinternational.48.954 DOE:10.2355/isijinternational.48.1443