2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/43823We compare results of our recent studies on vector meson production within the QCD factorization at next-to-leading order with HERA data.6 pages LATEX, talk presented at DIS04, Strbske Pleso, Slovakia, April 2004High Energy Physics - Phenomenologytext