Krill biomass in Area 48 and Area 58: recalculation of FIBEX data

P.N. Trathan (United Kingdom), D. Agnew (Secretariat), D.G.M. Miller (South Africa), J.L. Watkins, I. Everson, M.R. Thorley, E. Murphy, A.W.A. Murray and C. Goss (United Kingdom)