Role of chemical pressure in enhancing the transition temperature (Tc) and upper critical field (Hc2) in the Y-doped Ce-oxyfluoride superconductorA. K. Ganguli, J. Prakash, S. J. Singh and S. PatnaikEur. Phys. J. B, 73 2 (2010) 177-184DOI: https://doi.org/10.1140/epjb/e2009-00444-4