no. 3
The De Broglie fusion method applied to quarks at the ends of strings
Annales de l'I.H.P. Physique théorique, Tome 38 (1983) no. 3, pp. 199-213. 
@article{AIHPA_1983__38_3_199_0,
     author = {Burden, C. J. and Tassie, L. J.},
     title = {The De Broglie fusion method applied to quarks at the ends of strings},
     journal = {Annales de l'I.H.P. Physique th\'eorique},
     pages = {199--213},
     publisher = {Gauthier-Villars},
     volume = {38},
     number = {3},
     year = {1983},
     language = {en},
     url = {archive.numdam.org/item/AIHPA_1983__38_3_199_0/}
}
Burden, C. J.; Tassie, L. J. The De Broglie fusion method applied to quarks at the ends of strings. Annales de l'I.H.P. Physique théorique, Tome 38 (1983) no. 3, pp. 199-213. http://archive.numdam.org/item/AIHPA_1983__38_3_199_0/

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