Further reading
From Point Omega Research
Verburgh, Kris (2007): "Fantastisch, over het universum in ons hoofd", Uitg. Houtekiet. ISBN 9052409846 (for further info see: [1])
Wilson, Edward O. (1975), Sociobiology: The new synthesis, ISBN 0-674-81621-8
Tolle, Eckhart (2005), A New Earth: Awakening to your life's purpoes, London: Penguin Books, ISBN 0-141-01782-1
Apter, M.J. & K.C.P. Smith (1985), "Experiencing personal relationships", in Apter, M.J. & D.F.S. Murgatroyd, Reversal Theory: applications and development, Cardiff: University College Cardiff Press