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1by van Loon, Marloes P., Alimagham, Seyyedmajid, Pronk, Annette, Fodor, Nándor, Ion, Viorel, Kryvoshein, Oleksandr, Kryvobok, Oleksii, Marrou, Hélène, Mihail, Rurac, Mínguez, M.I., Pulina, Antonio, Reckling, Moritz, Rittler, Leopold, Roggero, Pier Paolo, Stoddard, Frederick L., Topp, Cairistiona F.E., van der Wel, Jop, Watson, Christine, van Ittersum, Martin K.Article/Letter to editor bibliotecaWUR NL
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2by Schils, René, Olesen, Jørgen E., Kersebaum, Kurt Christian, Rijk, Bert, Oberforster, Michael, Kalyada, Valery, Khitrykau, Maksim, Gobin, Anne, Kirchev, Hristofor, Manolova, Vanya, Manolov, Ivan, Trnka, Mirek, Hlavinka, Petr, Paluoso, Taru, Peltonen-Sainio, Pirjo, Jauhiainen, Lauri, Lorgeou, Josiane, Marrou, Hélène, Danalatos, Nikos, Archontoulis, Sotirios, Fodor, Nándor, Spink, John, Roggero, Pier Paolo, Bassu, Simona, Pulina, Antonio, Seehusen, Till, Uhlen, Anne Kjersti, Żyłowska, Katarzyna, Nieróbca, Anna, Kozyra, Jerzy, Silva, João Vasco, Maçãs, Benvindo Martins, Coutinho, José, Ion, Viorel, Takáč, Jozef, Mínguez, M.I., Eckersten, Henrik, Levy, Lilia, Herrera, Juan Manuel, Hiltbrunner, Jürg, Kryvobok, Oleksii, Kryvoshein, Oleksandr, Boogaard, Hendrik, de Groot, Hugo, Lesschen, Jan Peter, van Bussel, Lenny, Wolf, Joost, Zijlstra, Mink, van Loon, Marloes P., van Ittersum, Martin K.Article/Letter to editor bibliotecaWUR NL
