@misc{indiciaee87186175657,
  title = {Superconductivity in the Sn-Ba-Sr-Y-Cu-O system},
  author = {Aleksandrov, K. S. and Khrustalev, B. P. and Krivomazov, S. N. and Petrov, M. I. and Vasilyev, A. D. and Zwegintsev, S. A.},
  year = {1991},
  url = {https://ntrs.nasa.gov/citations/19920012420},
  note = {Source identifier: 19920012420}
}