1. A minimum age for the Premier kimberlite pipe yielded by biotite RbSr measurements, with related galena isotopic data;Allsopp;Earth Planet. Sci. Lett.,1967
2. Messung und Deutung relativer Häufigkeitsvariationen von O18 und C13 in Karbonatgesteinen und Mineralien;Baertschi;Schweiz. Mineral. Petrogr. Mitt.,1957
3. Geology of the Magadi area;Baker;Report Geol. Survey of Kenya,1958
4. Calculation of fractionation factors for carbon and oxygen isotopic change in the system calcite-carbon dioxide-water;Bottinga;J. Phys. Chem.,1968
5. The geology of the Southern part of Homa Mountain carbonatitic complex, Western Kenya, with particular reference to the petrology of the alkaline silicate, metasomatic and melilite bearing suites;Clarke,1968