68341546
9781018698380
Hartwig, Georg is the author of 'Polar and Tropical Worlds : A Popular and Scientific Description of Man and Nature in the Polar and Equatorial Regions of the Globe: Embracing the Combined Results of All the Explorations, Researches and Discoveries of Modern Times', published 2022 under ISBN 9781018698380 and ISBN 1018698388.
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