@misc{indiciaeb636758c488f,
  title = {Three FORTRAN programs for finite-difference solutions to binary diffusion in one and two phases with composition-and time-dependent diffusion coefficients},
  author = {R.F. Sanford},
  year = {1982},
  doi = {10.1016/0098-3004(82)90001-2},
  url = {https://pubs.usgs.gov/publication/70011667},
  note = {Source identifier: 70011667}
}