Kuehner, S., Irving, A. and O'Brien, H. (2003) “A kalborsite-pitiglianoite-kalsilite-shcherbakovite-barytolamprophyllite-wadeite-bearing lamproitic dike from the northern Highwood Mountains, Montana, USA”, International Kimberlite Conference: Extended Abstracts, 8. doi: 10.29173/ikc3005.