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2. Burton, David F.: Emptiness Appraised: A Critical Study of Nagarjuna’s Philosophy. London 1999.
3. Buswell, Robert (Hg./Übers.): Wonhyo’s Exposition of the Diamond Absorption Sutra. Honolulu 2007.
4. Buswell, Robert: The Formation of Chan Ideology in China and Korea. Princeton 1989.
5. Chai, David: Zhuangzi and the Becoming of Nothingness. Albany 2019.