Etudes sur la graptolites de Boheme. Suite de l'ouvrage

Ce livre traite des graptolites de la région de la Bohême et présente les résultats des recherches sur le sujet. Les auteurs ont concentré leurs études sur la systématique et l'évolution des graptolites. Les étudiants et les scientifiques intéressés par les graptolites trouveront ce livre très utile.
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