"equation" . . "Rayleigh\u2013Plesset equation" . . . "Rayleigh\u2013Plesset equation" . . . . . . "Besant-Rayleigh-Plesset equation" . . . . . . . . . "Rayleigh's equation" . . "Rayleigh equation" . . . . "Besant-Rayleigh\u2013Plesset equation" .