6Kang Hongpu, Lin Jian. Geomechanical tests and their applications in rock anchorage design [ A ]. Proceedings of the 11th Congress of the International Society for Rock Mechanics [ C ]. Lisbon ,2007:303-305.
7Prensky S. Advances in borehole imaging technology and applications [ A ]. Borehole Imaging: Applications and Case Histories, Geological Society Special Publication [ C ]. Lovell M A, Williamson G, Harvey P K. London : Geological Society, 1999 : 1-43.
8Williams J H, Johnson C D. Acoustic and optical borehole-wall imaging for fractured-rock aquifer studies[ J]. Journal of Applied Geophysics,2004,55 ( 1 ) : 151 - 159.