2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/38383New measurements of dijet photoproduction at HERA provide information on the gluon density in the photon and on its quark densities at high x_gamma and high factorisation scales.2 pages: Contribution to The International Europhysics Conference on High-Energy Physics (EPS-HEP 99), Tampere, Finland, July 15-21, 1999High Energy Physics - Experimenttext