Petrov, B.N. Petrov, V.V. Ulanov, G.M. Ageev, V.M. Zaporozhets, A.V. Uskov, A.G. Kotchubievsky, I.L. Handschin, J.E. Ferraté, A.G. Puigjaner, L. Agullo, J. Sołodovnikov, V.V. Lensky, V.L. Keckler, W.G. Larson, R.E. Kulikowski, J.L.