1. Rapport des isotopes Ca40/Ca44 et O18/O16 dans quelques roches carbonatées;Artemov;Geokhimia,1966
2. Possible isotope fractionation during dolomitization;Artemov;Geochem. Intern.,1967
3. Mass spectrometric determination of the relative abundance of calcium isotopes and the determination of geologie age;Backus,1955
4. Variations in ratio Ca48/Ca total in the natural environment;Corles;Pure Appl. Chem.,1964
5. Die Isotopen Zusammensetzung von natürlichen Calcium;Hirt;Helv. Phys. Acta,1964