@misc{indiciae35f937b5214c,
  title = {Thermionic emission from silicate and aluminosilicate ion exchangers},
  author = {Akishin, P. A. and Panchenkov, G. M. and Vasilyev, N. N.},
  year = {1967},
  url = {https://ntrs.nasa.gov/citations/19670030868},
  note = {Source identifier: 19670030868}
}