@misc{indiciaeb0f9bf40748b, title = {Sum Rules for Light-by-Light Scattering}, author = {Pascalutsa, Vladimir and Vanderhaeghen, Marc}, year = {2010}, doi = {10.1103/physrevlett.105.201603}, url = {https://www.osti.gov/biblio/21541692}, note = {Source identifier: 21541692} }