References
- CHANDRASEKHAR, S., 1961, Hydrodynamic and Hydromagnetic Stability, Oxford, at the Cla-rendon Press.
- SPIEGEL, E., and VERONIS, G., 1960, On the Bous-sinesq Approximation for a Compressible Fluid, Astrophysical Journal, Vol. 131, No. 2, pp. 285–97.