Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) TAKATSUJI Toshiyuki and BITOU Youichi and OSAWA Sonko and FURUTANI Ryoshu,A simple algorithm for the absolute calibration of flatness using a three flat test,"Journal of the Japan Society for Precision Engineering, Contributed Papers",13488724,The Japan Society for Precision Engineering,2006,72,11,1368-1373,https://cir.nii.ac.jp/crid/1390282680256787968,https://doi.org/10.2493/jspe.72.1368