Authors: Bardin, D Bilenky, M Christova, P Jack, M Kalinovskaya, L Olchevski, A Riemann, S Riemann, T

Citation: D. Bardin et al., ZFITTER v.6.21: A semi-analytical program for fermion pair production in e(+)e(-) annihilation, COMP PHYS C, 133(2-3), 2001, pp. 229-395