@book{justhis6212,
           title = {Les Assocations Sans But Lucratif. Pr{\'e}face de Paul Demeur},
          author = {J. 'T Kint and G. Van Fraeyenhoven},
         address = {Bruxelles},
       publisher = {Larcier},
            year = {1961},
             url = {http://www.just-his.be/eprints/6212/}
}