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by Bull; John W.
by Simos, Theodore E.; Psihoyios, George; Tsitouras, Ch
by Filippi, Paul J. T.
by Burden/Faires
by Arieh Iserles
by Ackleh; Azmy S.
by Simos, Theodore E.; Maroulis, George; Psihoyios, George
by Epperson, James F.
by Butt, Rizwan