1. Som, B., Gupta, M., Dasgupta, B.: Coupled nonlinear Schrödinger equation for Langmuir and dispersive ion acoustic waves. Phys. Lett. A 72, 111–114 (1979)
2. Wang, L.L., Liu, W.J.: Stable soliton propagation in a coupled (2+ 1) dimensional Ginzburg–Landau system. Chin. Phys. B 29, 070502 (2020)
3. Zakharov, V.E.: Collapse of Langmuir waves. Sov. Phys. JETP 35, 908–914 (1972)
4. Bell, T.A., Glidden, J.A., Humbert, L., Bromley, M.W., Haine, S.A., Davis, M.J., Neely, T.W., Baker, M.A., Rubinsztein-Dunlop, H.: Bose-Einstein condensation in large time-averaged optical ring potentials. New J. Phys. 18, 035003 (2016)
5. Paoletta, M.: Are autologous whole blood or platelet-rich plasma (PRP) injection effective and safe for lateral elbow pain?-A Cochrane review summary with commentary. J. Musculoskelet. Neuron 22, 428 (2022)