Universal correlations in pion-less EFT with the resonating group method: Three and four nucleons J. Kirscher, H. W. Grießhammer, D. Shukla and H. M. Hofmann Eur. Phys. J. A, 44 2 (2010) 239-256 Published online: 26 March 2010 DOI: 10.1140/epja/i2010-10939-5