Experimental determination of the scattering length for positron scattering from kryptonA. Zecca, L. Chiari, E. Trainotti, D.V. Fursa, I. Bray and M.J. BrungerEur. Phys. J. D, 64 2-3 (2011) 317-321DOI: https://doi.org/10.1140/epjd/e2011-20333-7