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1.
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2.
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3.
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4.
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Special Remarks on Biogeographic Disjunction
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5.
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6.
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Special Remarks on Biogeographic Disjunction
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7.
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8.
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Bestimmungsflora Kieselalgen Fuer Die...
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9.
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A Remarkable Diatom Association in a Spring...
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10.
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A Critical Evaluation of Established and...
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11.
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12.
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13.
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Taxonomy
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14.
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Achnanthaceae, Kritische Ergänzungen Zu...
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15.
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Diatomeenflora Einer Tropeninsel. Revision...
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16.
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Diversity-Taxonomy-Identification
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17.
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Phytogeography-Diversity-Taxonomy Diatoms from Siberia
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18.
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19.
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Taxonomy
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20.
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