Response: Commentary: "Asking photons where they have been" - without telling them what to say

Danan, A., Farfurnik, D., Bar-Ad, S., & Vaidman, L. (2015, June 30). Response: Commentary: “Asking photons where they have been” - without telling them what to say. Frontiers in Physics. Frontiers Media SA. https://doi.org/10.3389/fphy.2015.00048