Harms, U., Koeberl, C., & Zoback, M. D. (2007). Continental scientific drilling: A decade of progress and challenges for the future. Berlin : Springer.
Chicago-čujuhus (17. p.)Harms, Ulrich, Christian Koeberl, juo Mark D. Zoback. Continental Scientific Drilling: A Decade of Progress and Challenges for the Future. Berlin : Springer, 2007.
MLA-čujuhus (9. p.)Harms, Ulrich, et al. Continental Scientific Drilling: A Decade of Progress and Challenges for the Future. Berlin : Springer, 2007.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.