@unpublished{justhis7583,
           title = {Les soeurs de Sainte-Marie de Namur missionnaires au Kwango. La
premi{\`e}re fondation: Leverville: 1923-1940},
          school = {Universit{\'e} Catholique de Louvain},
          author = {Fran{\cc}oise Van Yve},
            year = {1982},
             url = {http://www.just-his.be/eprints/7583/}
}