1. Radioactive elements in oil field waters;Alekseev;Geochemistry,1958
2. On the isotopic constitution of radium (Ra-224/Ra-226 and Ra-228/Ra-226) in petroleum brines;Armbrust;Trans. Am. Geophys. Union,1955
3. Metal content of the twenty-four petroleums;Ball;J. Chem. Eng. Data,1960
4. Modes of formation of anomalously high radioactivity in oil-field brines;Bloch;Am. Assoc. Pet. Geol. Bull.,1981
5. An application of natural radon to problems in ocean circulation;Broecker,1965