@article{1491964,
      author = {Thornton, John K. and Madureira, Luís.},
      url = {http://library.usi.edu/record/1491964},
      title = {Afonso I Mvemba a Nzinga, King of Kongo : His life and  correspondence.},
      recid = {1491964},
      pages = {1 online resource (281 pages)},
}