Johnstone 1975

Johnstone, T. M. 1975. The Modern South Arabian Languages. Afroasiatic Linguistics 1. 93–121.

@article{johnstone1975,
  author  = {Johnstone, T. M.},
  journal = {Afroasiatic Linguistics},
  pages   = {93–121},
  title   = {The Modern South Arabian Languages},
  volume  = {1},
  year    = {1975}
}