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Faragó, Sándor (1997) The methodology used for the long term monitoring of waterbirds in a large river : The Danube river between Gönyü and Szob (river kms 1791-1708) in Hungary, a case study. MAGYAR VÍZIVAD KÖZLEMÉNYEK, 1997 (3). pp. 31-41. ISSN 1416-1389
Szalay, László (1997) A note on the products of the terms of linear recurrences. ACTA ACADEMIAE PAEDAGOGICAE AGRIENSIS SECTIO MATEMATICAE, 24. pp. 47-53. ISSN 1589-6498