Polarized antiquark flavor asymmetry in Drell-Yan pair production B. Dressler, K. Goeke, M.V. Polyakov, P. Schweitzer, M. Strikman and C. WeissEur. Phys. J. C, 18 4 (2001) 719-722DOI: https://doi.org/epjc/v18/p719(epjc0567)