1. Alexander E (2012) Proof of heaven: a neurosurgeon’s journal into the afterlife. Simon & Schuster, New York
2. Alexander E (2017) Near-death experiences and the emerging scientific view of consciousness. In: Hagan III JC (ed) The science of near-death experiences. University of Missouri Press, pp 105–116
3. Almeder R (1992) Death and personal survival. Rowman and Littlefield, Lanham
4. Andreotta AJ (2020) The hard problem of AI rights. AI Soc. https://doi.org/10.1007/s00146-020-00997-x
5. Auerbach L (2017) Interactive apparitions. In: Kean, Ch. 20