- ^ Georg Feuerstein, [Online Traditional Tantra and Contemporary Neo-Tantrism], Traditional Yoga Studies (德文)
- ^ Helmut Poller: Tantra, Neo-Tantra und die Synthese. Wien 2013, S. 1–10.
- ^ Loraine Hutchins, [Online A Taste of Erotic Rites Part 1], Electronic Journal of Human Sexuality, 5 (德文)