Cremmer, E.; Julia, B.; Scherk, J.; van Nieuwenhuizen, P.; Ferrara, S.; Girardello, L. (1978). "Super-higgs effect in supergravity with general scalar interactions". Phys. Lett. B. 79 (3): 231–234. Bibcode:1978PhLB...79..231C. doi:10.1016/0370-2693(78)90230-7.
Cremmer, E.; Julia, B.; Scherk, J.; van Nieuwenhuizen, P.; Ferrara, S.; Girardello, L. (1978). "Super-higgs effect in supergravity with general scalar interactions". Phys. Lett. B. 79 (3): 231–234. Bibcode:1978PhLB...79..231C. doi:10.1016/0370-2693(78)90230-7.