Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Nakajima Hajime,Preface to Special Issue on “Instrumentation and Measurement Technology Creating Technological Innovation 2021”,IEEJ Transactions on Fundamentals and Materials,0385-4205,The Institute of Electrical Engineers of Japan,2021-09-01,141,9,471-471,https://cir.nii.ac.jp/crid/1390570707166235520,https://doi.org/10.1541/ieejfms.141.471