@Article{sfl16201107301117, title = {{{FG SDC = SNOOP = frame snoop (English) = snoop (in SR context) -- Doppler alone is insufficient}}}, author = {Bollinger, Terry}, journal = {Studies of the Feynman Lectures}, publisher = {Apabistia}, volume = {16}, pages = {201107301117}, year = {2021}, month = nov, day = {29}, url = {https://sarxiv.org/sfl.16.2011-07-30.1117.pdf}, }