G. Parrour, B. Grelaud, G. Cosme, A. Courau, B. Dudelzak, et al.. Evidence for an interference effect between $\omega$ and $\phi$ resonances in $\pi^+\pi^-\pi^0$ production by $e^+e^-$ annihilation.
Physics Letters B, Elsevier, 1976, 63, pp.357-361.
⟨in2p3-00021224⟩