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2. Structure investigation of copper silicates. Atomic structure of papagoite;Guillebert;Bull. Soc. Franc. Mineral. Cristallogr.,1965
3. Copper silicates. Differentiation of shattuckite and plancheite. Atomic structure of shattuckite;Le Bihan;Bull. Soc. Franc. Mineral. Cristallogr.,1967
4. Nomenclature of some Katangan copper silicates. Plancheite–shattuckite–bisbeeite–katangite minerals;Van Oosterwyck-Gastuche;Ann. Soc. Geol. Belg.,1968
5. Electron microscopy and diffraction identification of some copper silicates;Van Oosterwyck-Gastuche,1971