1. Cristobalite and quartz isolation from soils and sediments by hydrofluosilicic acid treatment and heavy liquid separation;Henderson,1972
2. Tracing quartz through the environment;Lal,1985
3. Quartz crystals and their colors;Lehmann;Angew. Chem. Intl. Edit.,1973
4. 10Be in commercial beryllium;Middleton;Nucl. Inst. Meth.,1984
5. 10Be and 36C1 depth profiles in an Apollo 15 drill core;Nishiizumi;Earth Planet. Sci. Lett.,1984