@book{Bleuler, author = {Bleuler, E.}, title = {Dementia praecox or the group of schizophrenias, New York (International Universities Press) 1958.}, language = {en} } @book{Bleuler, author = {Bleuler, E.}, title = {Dementia Praecox, or the Group of Schizophrenias. New York (International Universities Press) 1950.}, language = {en} }