@ARTICLE{10.3389/fphy.2015.00047, AUTHOR={Salih, Hatim}, TITLE={Commentary: “Asking photons where they have been” - without telling them what to say}, JOURNAL={Frontiers in Physics}, VOLUME={3}, YEAR={2015}, URL={https://www.frontiersin.org/articles/10.3389/fphy.2015.00047}, DOI={10.3389/fphy.2015.00047}, ISSN={2296-424X} }