Hansje van Halem, Ingeborg Entrop, Kunstruimte Galerie Block C, 2012.
https://dutchartinstitute.eu/page/6783/ingeborg-entrop--dai--2012--premieres-fugue-in-d--liberated-silence---a-performa
https://www.itsnicethat.com/articles/hansje-van-halem-1