@article{763411, author = {John Ekin and Tom Kelly and A Hermann and Z Sheng and K Togano and H Kumakura}, title = {Double-Step Behavior of Critical Current vs. Magnetic Field in Y-}, year = {1989}, number = {160}, month = {1989-01-01 00:01:00}, publisher = {Physica C-Superconductivity and Its Applications}, language = {en}, }