2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/6990We discuss recent advances in the study of dusty, massive galaxies at z>1 arising from the first extensive spectroscopic surveys.Invited talk at the IAU Symposium 216, "Maps of the Cosmos", ASP Conference Series, eds. M. Colless & L. Staveley-Smith, Sydney, July 2003, 11 pagesAstrophysicsA Submm View of the Universe: Clues to the Formation of Massive Galaxiestext