Author,Title,Edition,Publisher,Year,Series,Number,ISBN,ISSN,URL
"Symposium on Columbium (niobium) and Gonser, B. W. and Sherwood, E. M.","Technology of columbium (niobium) : papers presented at the Symposium on Columbium (niobium) of the Electrothermics and Metallurgy division of the Electrochemical Society, May 15 and 16, 1958, Washington, D. C",,Wiley,1958,The Electrochemical Society series,,,,https://cir.nii.ac.jp/crid/1130000796254385792