A. Shimony, The New Physics, Paul Davies, pp.373-395, 1983.

G. Coddens, From Spinors to Quantum Mechanics, 2015.

A. Khrennikov, J. Phys. Conf. Ser, vol.504, p.12019, 2014.

M. Kupczynski, Journal of Physics: Conference Series, vol.121, pp.205-207, 1987.

T. M. Nieuwenhuizen, Found. Phys, vol.41, pp.580-591, 2011.

G. Coddens,