2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/1929We discuss results from sensitive, wide-field imaging of the millimeter extragalactic background using the Max-Planck Millimeter Bolometer array (MAMBO) at the IRAM 30m telescope.4 pages, 3 figures, uses newpasp.sty. To appear in Proc. JD9, IAU Manchester 2000, `Cold Gas and Dust at High Redshift' ed. D.J. Wilner, Highlights of Astronomy Vol. 12. PASPAstrophysicstext