@misc{3673,
  author = {Williamson, Kay and Shimizu, Kiyoshi},
  title  = {Benue-Congo Comparative Wordlist volume I. University of Ibadan, Nigeria: West African Linguistic Society.; Williamson, Kay. 1973. Benue-Congo Comparative Wordlist volume II. University of Ibadan, Nigeria: West African Linguistic Society.; Armstrong, Robert G. no date. Wordlists of West African languages. Ms.},
  year   = {1968}
}