Loo, F. C., e F. Y. . Loo. “Birdsongs, Structure and Harmonic Colour of Non-Birdsong Subjects in Olivier Messiaen’s ‘La bouscarle’ from Catalogue d’oiseaux”. 2021. Música Hodie, vol. 21, novembro de 2021, doi:10.5216/mh.v21.66562.