Hameroff, S. R., Kaszniak, A. W., & Chalmers, D. J. (1999). Toward a science of consciousness III: The third Tucson discussions and debates. MIT Press.

Hameroff, Stuart R., Alfred W. Kaszniak, and David John Chalmers. Toward a Science of Consciousness III: The Third Tucson Discussions and Debates. Cambridge, Mass.: MIT Press, 1999.

Hameroff, Stuart R., et al. Toward a Science of Consciousness III: The Third Tucson Discussions and Debates. MIT Press, 1999.