@ARTICLE {30316, author={N. Paunkovic and MV Vojinovic}, doi={10.22331/q-2020-05-28-275}, journal={Quantum}, title={Causal orders, quantum circuits and spacetime: distinguishing between definite and superposed causal orders}, year={2020}, month={May}, volume={4}, number={5}, pages={275-275}, ISSN={} }