Memory, Dictatorship, and Trauma : Ligeti at the Hungarian Musicians's Union 1949-1953 - Willson, Rachel Beckles (. Music and dictatorship in Europe and Latin America. - Turnhout : Brepols, 2009. - XIV, 767 S.. - Ill., Notenbeisp.. - ISBN 978-2-503-52779-6, 2009)