Study of the K shell photoelectric parameters of Dy, Yb and W atoms using low energy bremsstrahlung radiationS.B. Hosur, L.R. Naik and N.M. BadigerEur. Phys. J. D, 62 2 (2011) 155-161DOI: https://doi.org/10.1140/epjd/e2010-10430-6