Streckeisen, A. (1974). «Classification and Nomenclature of Plutonic Rocks: Recommendations of the IUGS Subcommission on the Systematics of Igneous Rocks». Geologische Rundschau(en alemán)63 (2): 773-86. Bibcode:1974GeoRu..63..773S. doi:10.1007/BF01820841.
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Streckeisen, A. (1974). «Classification and Nomenclature of Plutonic Rocks: Recommendations of the IUGS Subcommission on the Systematics of Igneous Rocks». Geologische Rundschau(en alemán)63 (2): 773-86. Bibcode:1974GeoRu..63..773S. doi:10.1007/BF01820841.