1. Sagdeev, R.Z., Collective processes and shock waves in low-density plasma, in Voprosy teorii plazmy (Problems in the Theory of Plasma), Moscow: Atomizdat, 1964, vol. 4, pp. 20–80.
2. Galeev, A.A. and Sagdeev, R.Z., Lectures on the Non-Linear Theory of Plasma, Trieste, Italy, 1966, p. 35.
3. Tidman, D.A., Turbulent shock waves in plasma, Phys. Fluids, 1967, vol. 10, pp. 547–568.
4. Iskol’dskii, A.M., Kurtmullaev, R.Kh., Nesterikhin, Yu.E., et al., Experimental investigation of collisionless shock waves in a plasma, Sov. Phys. JETP, 1965, vol. 20, no. 2, pp. 517–519.
5. Zagorodnikov, S.P., Rudakov, L.I., Smolkin, G.E., et al., Observation of shock waves in a collisionless plasma, Sov. Phys. JETP, 1965, vol. 20, no. 5, pp. 1154–1156.