MacDonald, R., Smith, R. L., & Thomas, J. E. (1992). Chemistry of the subalkalic silicic obsidians: Ompilation of analyses of subalkalic silicic obsidians, assessment of compositional variations in terms of tectonic setting and genetic mechanisms, and systematic discussion of element distribution in these rocks. U.S. Gov. Printing Office.
Chicago-Zitierstil (17. Ausg.)MacDonald, Ray, Robert L. Smith, und John E. Thomas. Chemistry of the Subalkalic Silicic Obsidians: Ompilation of Analyses of Subalkalic Silicic Obsidians, Assessment of Compositional Variations in Terms of Tectonic Setting and Genetic Mechanisms, and Systematic Discussion of Element Distribution in These Rocks. Washington: U.S. Gov. Printing Office, 1992.
MLA-Zitierstil (9. Ausg.)MacDonald, Ray, et al. Chemistry of the Subalkalic Silicic Obsidians: Ompilation of Analyses of Subalkalic Silicic Obsidians, Assessment of Compositional Variations in Terms of Tectonic Setting and Genetic Mechanisms, and Systematic Discussion of Element Distribution in These Rocks. U.S. Gov. Printing Office, 1992.