By Elvin, R., Oliver, C., Whitehead, S.K.
By Schoonbeek, L., Sterken, E., Kuipers, S.K.
By Levene, G.M., Goolamali, S.K.
By Bangeat, S.K., Fleming, P. R., Bangert, S.
By Al Naib, S.K.
By Lumpkin, Angela, etc., Stoll, S.K., Beller, J.M.
By Ivchenko, I.N., Loyalka, S.K., Tompson Jr., R.V.
By Jawahir, I.S., Sikdar, S.K., Huang, Y.
By Kanaun, S.K., Levin, V.
By Mishra, S.K., Singh, V.P.
By Hunter, G. K., S.K.
By Nath, S.K.
By Sharma, S.K., Balmukand, Singh