Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Fujisawa Tadashi and Takagi Akira and Okuyama Katsuro and Ohshima Shigetoshi,Critical Current Densities in Superconducting Y–Ba–Cu–O Prepared by Chelating Method,Japanese Journal of Applied Physics,0021-4922,The Japan Society of Applied Physics,1990,29,10,1914-1917,https://cir.nii.ac.jp/crid/1570572703147172480,