Suresh S. Darokar
Babayan LA, Chibisov SM, Gulyan AK, Sarafyan PK, Ivanyan SA*, Mirzoyan IA, Gasparyan NA, Paronikyan RG, Gaboyan GS and Zohrabyan MA
Nguyen Hoang Loc, Nguyen Sy Cong, Do Van Giap, Nguyen Thi Quy Hoa, Hoang Tan Quang, Nguyen Duc Huy
M. M. Abou-Sekkina, Khaled M. Elsabawy and F. G. Elmetwaly
Johannessen A, Helvik A-S, Engedal K, Ulstein I, S?rlie V