Allton, C., Michael, C., Kenway, R., Pendleton, B., Sachrajda, C. T., Richards, D., . . . Prisznyak, M. (1993). Quenched light hadron mass spectrum and decay constants: The effects of O(a) improvement at β = 6.2. Nuclear Physics B, 407(2), pp. 331-355. doi:10.1016/0550-3213(93)90061-S

Allton, Chris, et al. "Quenched Light Hadron Mass Spectrum and Decay Constants: The Effects of O(a) Improvement At β = 6.2." Nuclear Physics B 407, no. 2 (1993): 331-355.

Allton, Chris, et al. "Quenched Light Hadron Mass Spectrum and Decay Constants: The Effects of O(a) Improvement At β = 6.2." Nuclear Physics B 407.2 (1993): 331-355.