Publicações
The Interaction Choir-Orchestra in Ljus Av Ljus by Karen Rehnqvist
Santos, Pedro M., (2014). “The Interaction Choir-Orchestra in Ljus Av Ljus by Karen Rehnqvist” in Choral Singing: Histories and Practices, Ed. Ursula Geisler and Karin Johansson, Cambridge Scholars Publishing, Newcastle upon Tyne, 2014.