1. Factors governing the behavior of rare-earth elements in the carbonatite process;Balashov;Geochem. Int.,1968
2. The effect of climate and facies environment on the fractionation of the rare earths during sedimentation;Balashov;Geochem. Int.,1964
3. Geology and geochemistry of the Leadville Limestone (Mississippian, Colorado) and its diagenetic, supergene, hydrothermal, and metamorphic derivates;Banks,1967
4. Nature and origin of early and late cherts in the Leadville Limestone, Colorado;Banks;Geol. Soc. Am. Bull.,1970
5. Analysis for the rare-earth elements by neutron activation and Ge (Li) spectrometry;Denechaud;J. Radioanal. Chem.,1970