@book{Tucker-and-Bryan-1966,
  address    = {London},
  author     = {Tucker, A. N. and Bryan, M. A.},
  publisher  = {Oxford University Press},
  title      = {Linguistic Analyses: the Non-Bantu Languages of North-Eastern Africa},
  year       = {1966},
  iso_code   = {mfc; mgd; fvr; dip; mur; sjg; bdh; lgg; krs; led; kcr; otr; tma; ndt; log; pko; wti; did; laf; nzk; xtc; tbi; nrb; mdj; irk; wal; zne; ikx; luo; kun; mdi; teu; tms; xom; mhi; tuq; teo; nyi; shj; msj; mas; brm; dzg; dau; ras; gya; daj; mde; teq; doo; byn; jle},
  olac_field = {phonetics; morphology; syntax; semantics; phonology; typology; general_linguistics},
  wals_code  = {ma; lgt; bln; mab; so; nar; laf; maa; tia; luo; msk; mbt; ldu; fur; tes; pkt; sil; ras; kre; dgo; lug; igs; otr; kad; nyi; sht; kom; bka; nza; ktl; tmn; ber; gbk; tbu; mba; mga; ktc; mmv; mou; din; mad; did; zan; mrl; irq; knm; tma; bbu; ddf; ik; wly; sug}
}