Wall, F., Rosatelli, G., Bailey, D., Jeffries, T., Kearns, S., & Muñoz, M. (2008). Comparison of calcite compositions from extrusive carbonatites at Kaiserstuhl, Germany and Calatrava, Spain: implications for mantle carbonate. International Kimberlite Conference: Extended Abstracts, 9. https://doi.org/10.29173/ikc3476