Neutron-proton scattering at next-to-next-to-leading order in Nuclear Lattice Effective Field TheoryJose Manuel Alarcón, Dechuan Du, Nico Klein, Timo A. Lähde, Dean Lee, Ning Li, Bing-Nan Lu, Thomas Luu and Ulf-G. MeißnerEur. Phys. J. A, 53 5 (2017) 83DOI: https://doi.org/10.1140/epja/i2017-12273-x