Shear-wave splitting showing hydraulic dilation of pre-existing joints in granite (pdf:343KB)
Crampin, S., and Booth, D.C.
Sci. Drilling, 1989, 1, 21-26

Suggestions for consistent terminology for seismic anisotropy (pdf:992KB)
Crampin, S.
Geophys. Prosp., 1989, 37, 753-770