Buscar recursos académicos

Preservation of arthropod cuticles is of paramount importance for taphonomic interpretations in which the fossil record of the chitin-protein complex is considered a key molecular signature of the group studied. In this ...

Friedrich Ratzel (1844–1904) is often portrayed in the Czech context as a controversial figure in the development of political-geographical or geopolitical thought. This is probably a consequence of the lack of attenti...