اذا لم تجد ما تبحث عنه يمكنك استخدام كلمات أكثر دقة.
Author: Bölsche, Wilhelm, 1861-1939
LoC No.: 13015710
Title: Festländer und Meere im Wechsel der Zeiten
Language: German
LoC Class: QE: Science: Geology
Subject: Earth (Planet)
Subject: Geophysics
Release Date: Dec 23, 2017
Copyright Status: Public domain in the USA.
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