Werner, Karel. “Wegzeichen. Gespräche Uber Buddhistische Praxis Mit: Nyanaponika Mahathera, Karl-Heinz Gottman, Gesshin Prabhasa Dharma, Ayya Khema, Paul Köppler, Genro Seiun Koudela, Sylvia Wetzel, Mirko Frýba, Jampa Tsedroen, Christa Bentenrieder. Ed. Detlef Kantowsky”. Buddhist Studies Review 12, no. 1 (June 15, 1995): 92–93. Accessed July 16, 2024. https://journal.equinoxpub.com/BSR/article/view/15034.