Gluonic component of proton

• G. Barbagli and G. D'Agostini, "Tagging of gamma g --> q anti-q events and direct measurement of the gluon structure function at HERA", Proceedings of the HERA Workshop, Hamburg 1987, pag. 135.

• G. D'Agostini, "On a possible Direct measurement of the gluon structure function at HERA", Proceeding of the XIXth International Symposium on Multiparticle Dinamics, Arles en Provence, France, June 13-17 1988, pag. 249.

• G. D'Agostini, "On the determination of the fractionary momentum of the gluon in gamma-gluon events at HERA", Proceedings of the EPS Conference, Madrid, 6-13 September 1990, Nucl. Phys. B ( Proc. Suppl. ) 16 (1990) 669.