Wolff, Milo (2003). «55: Cosmology, the Quantum Universe, and Electron Spin», in Richard L. Amoroso et al. (eds.): Gravitation and Cosmology: From the Hubble Radius to the Planck Scale, Fundamental Theories of Physics, Vol. 126. Netherlands: Springer, 517—524. DOI:10.1007/0-306-48052-2_55. ISBN 978-1-4020-0885-6.
Wolff, Milo (2003). «55: Cosmology, the Quantum Universe, and Electron Spin», in Richard L. Amoroso et al. (eds.): Gravitation and Cosmology: From the Hubble Radius to the Planck Scale, Fundamental Theories of Physics, Vol. 126. Netherlands: Springer, 517—524. DOI:10.1007/0-306-48052-2_55. ISBN 978-1-4020-0885-6.
McGinn, Colin (5 1999). «Mysterious Flame: Conscious Minds in a Material World». New York, NY: Basic Books. ISBN 0465014224.
