@book{Neill, author = {Neill, Alexander Sutherland}, title = {Freedom - Not license!, New York (Hart Publishing Company) 1966.}, language = {en} } @book{Neill, author = {Neill, Alexander Sutherland}, title = {theorie und praxis der antiautorit{\"a}ren erziehung, Hamburg (Rowohlt Taschenbuch Verlag) 1969.}, language = {de} }