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by Elaydi, S.; Titi, E. S.; Saleh, M.; et al.
by International Astronomical Union Symposium 2000 (Manchester, England); Fleck, B.; Gunman; et al.
by Kassim, Namir E.; Weiler, Kurt W.
by Achour; Bachir
by Peake, Tim
by Unique Journal
by Cathy Dubois; Michel Avignon; Philippe Escudier
by Fse 200 (2000 New York, N. Y.)
by Spathis; A.T.
by Kleiman, Jacob I.