Universal correlations in pion-less EFT with the resonating group method: Three and four nucleonsJ. Kirscher, H. W. Grießhammer, D. Shukla and H. M. HofmannEur. Phys. J. A, 44 2 (2010) 239-256DOI: https://doi.org/10.1140/epja/i2010-10939-5