@book{Steiner, author = {Steiner, G.}, title = {In Bluebeard's castle, London (Faber \& Faber) 1971.}, language = {en} } @book{Steiner, author = {Steiner, G.}, title = {In Bluebeard's castle, London (Faber \& Faber) 1971.}, language = {en} }