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- [8] NEW LOW-ENERGY THEOREMS FOR PION AND NUCLEON COMPTON SCATTERING PHYSICAL REVIEW, 1968, 169 (05): : 1353 - &
- [10] LOW-ENERGY THEOREMS FOR PION NUCLEON SCATTERING AND PHOTOPION PRODUCTION BULLETIN OF THE AMERICAN PHYSICAL SOCIETY, 1968, 13 (04): : 662 - &