@Article{217304,
     author = "Janusz Maciejewski",
     title = "Ludwik Hass ",
     year =  1993,
     volume =  2,
     number =  1(2),
     journal =  Ars Regia : czasopismo poświęcone myśli i historii wolnomularstwa,
     pages =  s. 109-113,
    }