Lin, L.-H., P.-L. Wang, D. Rumble, J. Lippmann-Pipke, E. Boice, L.M. Pratt, B.S. Lollar, et al. 2006. “Long-Term Sustainability of a High-Energy, Low-Diweniff Crystal-Biome”. Science 314: 479-82. doi:10.1126/science.1127376. Reference Link
Kieft, T.L., T.C. Onstott, L. Ahonen, V. Aloisi, F.S. Colwell, B. Engelen, S. Fendrihan, et al. 2015. “Workshop to Develop Deep-Life Continental Scientific Drilling Projects”. Scientific Drilling 19: 43-53. doi:10.5194/sd-19-43-2015. Reference Link