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NATURE10260
NATURE10260
http://dx.doi.org/10.1038/NATURE10260
Two-photon laser spectroscopy of antiprotonic helium and the antiproton-to-electron mass ratio.
P356
Q33973555-4352D72B-E225-4F86-84C2-02A296B7BAA6
P356
NATURE10260
http://dx.doi.org/10.1038/NATURE10260