2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/856We apply the Pseudo-C_l formalism to obtain an unbiased, approximate method for efficient simultaneous estimation of several cosmological parameters from large, almost full-sky cosmic microwave background data sets.4 pages, 2 colour figures. Talk presented at "Energy Densities in the Universe", XXXVth Rencontres de Moriond, France (January 22-29, 2000)Astrophysicstext