Z boson as “the standard candle” for high-precision W boson physics at LHC M.W. Krasny, F. Fayette, W. Płaczek and A. Siódmok Eur. Phys. J. C, 51 3 (2007) 607-617 Published online: 12 June 2007 DOI: 10.1140/epjc/s10052-007-0321-8