Manganese

Biostratigraphie des Brachiopodes le Famennien Superieur de la Region d' Isphahan ( Iran Central )

Sur la periodicite et les perturbations astronomiques du mecanisme terrestre

/ Georges Dubourdieu

Investigations of Bonding in Some Oxide Minerals by Oxygen Ka Emission Spectroscopy

Sedimentological characteristics and morphology of the aeolian sand dunes in the eastern part of the UAE