Precise determination of the neutron scattering length of lead isotopes 204Pb, 207Pb and 208Pb by neutron interferometry A. Ioffe, O. Ermakov, I. Karpikhin, P. Krupchitsky, P. Mikula, P. Lukas and M. VranaEur. Phys. J. A, 7 2 (2000) 197-200DOI: https://doi.org/epja/v7/p197(epja126)