POWELL, Seth. Etched in Stone: Sixteenth-century Visual and Material Evidence of Śaiva Ascetics and Yogis in Complex Non-seated Āsanas at Vijayanagara. Journal of Yoga Studies, [S.l.], v. 1, p. 45 - 106, may 2018. Available at: <https://journalofyogastudies.org/index.php/JoYS/article/view/2018.v1.Powell.EtchedinStone>. Date accessed: 10 dec. 2018.