Findeisen, W. Lefkowitz, I. Bhattacharyya, R.K. Bakhru, A.N. Bahary, E.S. Johnson, H.H. Kopelevich, A.P Belostotsky, A.A. Vlasjuk, B.A. Nikitin, G.I. Khrypkin, V.M. Hayhurst, C. Hickling, B.B.