Quadrupolar contact terms and hyperfine structure
G. Karl and V. A. Novikov
Phys. Rev. C 74, 024001 (2006) - Published 4 August, 2006
Nuclear central force in the chiral limit
John F. Donoghue
Phys. Rev. C 74, 024002 (2006) - Published 17 August, 2006