Gutsche, Thomas; Lyubovitskij, Valery E.; Tich, Malte C. (1 July 2019). "η(1405) in a chiral approach based on mixing of the pseudoscalar glueball with the first radial excitations of η and η′". Phys. Rev. D. 1 (8). arXiv:0904.3414. doi:10.1103/PhysRevD.80.014014. S2CID119195561.
Gutsche, Thomas; Lyubovitskij, Valery E.; Tich, Malte C. (1 July 2019). "η(1405) in a chiral approach based on mixing of the pseudoscalar glueball with the first radial excitations of η and η′". Phys. Rev. D. 1 (8). arXiv:0904.3414. doi:10.1103/PhysRevD.80.014014. S2CID119195561.
Gutsche, Thomas; Lyubovitskij, Valery E.; Tich, Malte C. (1 July 2019). "η(1405) in a chiral approach based on mixing of the pseudoscalar glueball with the first radial excitations of η and η′". Phys. Rev. D. 1 (8). arXiv:0904.3414. doi:10.1103/PhysRevD.80.014014. S2CID119195561.