Published: November 15, 1950Received: -Available on J-STAGE: September 30, 2010Accepted: -
Advance online publication: -
Revised: -
Correction information
Date of correction: December 22, 2016Reason for correction: DOI error correctionCorrection: ArticleDetails: Wrong: 10.7600/jspfsm1949.1950.1 Right: 10.7600/jspfsm1949.1950.2_1