JSS

Swanton, John R. . n.d. (slip file).

@None{ssf,
  author = {Swanton, John R. },
  title  = {(slip file)}
}
@None{ssf,
  author = {Swanton, John R. },
  title  = {(slip file)}
}
@None{ssf,
  author = {Swanton, John R. },
  title  = {(slip file)}
}