Krause, J., Harlov, D. E., Pushkarev, E. V., & Bruegmann, G. E. (2013). Apatite and clinopyroxene as tracers for metasomatic processes in nepheline clinopyroxenites of Uralian-Alaskan-type complexes in the Ural Mountains, Russian Federation. Geochimica et Cosmochimica Acta, 121, 503-521.