1. Andrei, N., Gross, D.J.: The effect of instantons on the short distance structure of hadronic currents. Phys. Rev. D18, 468 (1978)
2. Chu, M.C., Grandy, J.M., Huang, S., Negele, J.W.: Evidence for the role of instantons in hadron structure from lattice QCD. Phys. Rev. D49, 6039–6050 (1994). hep-lat/9312071
3. de Forcrand, P., Liu, K.-F.: Glueball wave functions. Nucl. Phys. Proc. Suppl. 30, 521–524 (1993)
4. Faccioli, P., DeGrand, T.A.: Evidence for instanton induced dynamics, from lattice QCD. Phys. Rev. Lett. 91, 182001 (2003)
5. Novikov, V.A., Shifman, M.A., Vainshtein, A.I., Zakharov, V.I.: Are All Hadrons Alike? DESY-check = Moscow Inst. Theor. Exp. Phys. Gkae - Itef-81-048 (81,rec.jun.) 32 P and Nucl. Phys. B191 (1981) 301–369 and Moscow Inst. Theor. Exp. Phys. Gkae - Itef-81-042 (81,rec.apr.) 70 P. (104907). Nucl. Phys. B191, 301–369 (1981)