1. Albertazzi L (2005) Immanent realism—introduction to Franz Brentano. Springer, Dordrecht
2. Alexander S (1927) Space-time and deity, vols 1, 2. McMillan and Co. Ltd, London
3. Andersen PB, Emmeche C, Finnemann NO, Christiansen PV (2000) Downward causation. Minds, bodies and matter. Aarhus University Press, Aarhus, DK
4. Atmanspacher H, Jahn RG (2003) Problems of reproducibility in complex mind matter systems. J Sci Exploration 17(2):243–270
5. Baars B (1988) A cognitive theory of consciousness. Cambridge University Press