[1]
W. Mielewczyk, “Die Agrarfrage im Programm von Parteien und politischen Organisationen in Großpolen 1918-1925 [The Agrarian Question in the Programme of Parties and Political Organisations in Greater Poland 1918-1925]”, sho, vol. 27, no. 1, pp. 115–136, Jun. 2009.