Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) T. Shimizu and T. Okada and Naoki Hasegawa,Measurement of Surface-Normal Using a Range Sensor with a Pair of Wedge-Prisms,2005 IEEE Instrumentationand Measurement Technology Conference Proceedings,,IEEE,2006-03-22,3,,1744-1749,https://cir.nii.ac.jp/crid/1873398392970356736,https://doi.org/10.1109/imtc.2005.1604470