Guralnik, Gerald S. (2009). «The History of the Guralnik, Hagen and Kibble development of the Theory of Spontaneous Symmetry Breaking and Gauge Particles». International Journal of Modern Physics A. 24 (14): 2601–2627. Bibcode:2009IJMPA..24.2601G. arXiv:0907.3466. doi:10.1142/S0217751X09045431
Guralnik, Gerald S. (2009). «The History of the Guralnik, Hagen and Kibble development of the Theory of Spontaneous Symmetry Breaking and Gauge Particles». International Journal of Modern Physics A. 24 (14): 2601–2627. Bibcode:2009IJMPA..24.2601G. arXiv:0907.3466. doi:10.1142/S0217751X09045431
Guralnik, Gerald S. (2009). «The History of the Guralnik, Hagen and Kibble development of the Theory of Spontaneous Symmetry Breaking and Gauge Particles». International Journal of Modern Physics A. 24 (14): 2601–2627. Bibcode:2009IJMPA..24.2601G. arXiv:0907.3466. doi:10.1142/S0217751X09045431