reference:
Sri Aurobindo and the Mother, Our Many Selves: Practical Yogic Psychology, Chapter 2, Planes and Parts of the Being, pp. 13-14
This episode is also available as a blog post at https://sriaurobindostudies.wordpress.com/2023/07/06/the-continuum-of-consciousness-and-the-interactions-of-the-various-wave-forms/