Gerard 't Hooft, "When was Asymptotic Freedom discovered? or The Rehabilitation of Quantum Field Theory", Nucl. Phys. Proc. Suppl.74:413–425, 1999, arXiv:hep-th/9808154 , doi:10.1016/S0920-5632(99)00207-8.
Gerard 't Hooft, "When was Asymptotic Freedom discovered? or The Rehabilitation of Quantum Field Theory", Nucl. Phys. Proc. Suppl.74:413–425, 1999, arXiv:hep-th/9808154 , doi:10.1016/S0920-5632(99)00207-8.