TY - JOUR T1 - Extensions of the extrema bounds for the pomeron intercept to meson-proton, gamma-proton and gamma-gamma scattering JO - Brazilian Journal of Physics A1 - Luna, E. G. S. A1 - Menon, M. J. A1 - Montanha, J. SN - 0103-9733 UL - 10.1590/S0103-97332004000200026 VL - 34 Y1 - 2004 PB - Brasil ER -