Cegatti, Julia, and Leticia Polosecki. “Uses of the Sphere As a Motherfied Object in Bioenergetic Analysis”. Bioenergetic Analysis 28, no. 1 (February 1, 2018): 99–118. Accessed December 22, 2024. https://bioenergetic-analysis.com/article/view/0743-4804-2018-28-99.