On the role of the magnetic dipolar interaction in cold and ultracold collisions: numerical and analytical results for NH(3Σ−) + NH(3Σ−)L.M.C. Janssen, A. van der Avoird and G.C. GroenenboomEur. Phys. J. D, 65 1-2 (2011) 177-187DOI: https://doi.org/10.1140/epjd/e2011-20093-4