1.
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HiN. Alexander von Humboldt im Netz
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2.
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Facta Universitatis Series : Electronics and Energetics
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3.
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Mollusca
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4.
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Opuscula Zoologica Instituti Zoosystematici et Oecologici Universitatis Budapestinensis
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5.
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Teaching of Mathematics
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6.
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Arbor : Ciencia, Pensamiento y Cultura
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7.
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Geophysica
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