Brink, L., Di Vecchia, P., & Howe, P. (1976). "A locally supersymmetric and reparametrization invariant action for the spinning string", Physics LettersB65(5), 471-474. doi:10.1016/0370-2693(76)90445-7; Green, Michael; Schwarz, John; Brink, Lars (1982). "N=4 Yang-Mills and N=8 Supergravity as Limits of String Theories". Nucl Phys. B198 (3): 474–492. Bibcode:1982NuPhB.198..474G. doi:10.1016/0550-3213(82)90336-4.
Brink, L., Di Vecchia, P., & Howe, P. (1976). "A locally supersymmetric and reparametrization invariant action for the spinning string", Physics LettersB65(5), 471-474. doi:10.1016/0370-2693(76)90445-7; Green, Michael; Schwarz, John; Brink, Lars (1982). "N=4 Yang-Mills and N=8 Supergravity as Limits of String Theories". Nucl Phys. B198 (3): 474–492. Bibcode:1982NuPhB.198..474G. doi:10.1016/0550-3213(82)90336-4.