References
- Bondi , H. and Spurgin , C. B. 1987 . Energy has mass . Physics Bulletin , 38 : 62 – 63 .
- Flores , F. 2005 . Interpretations of Einstein’s equation E = mc 2 . International Studies in the Philosophy of Science , 19 : 245 – 60 .
- Krajewski , W. 2006 . On the interpretation of the equation E = mc 2: Reply to Flores . International Studies in the Philosophy of Science , 20 : 215 – 216 .