1. A fault plane solution using theoretical P seismograms;Barley;Geophys. J. R. astr. Soc.,1977
2. Absorption of elastic waves-an operator for a constant Q mechanism;Carpenter;AWRE Report O 43/66, Her Majesty‘s Stationery Office,1966
3. Making the most of the recordings from short-period seismometer arrays;Douglas;Bull. seism. Soc. Am.,1998
4. Earthquakes that look like explosions;Douglas;Geophys. J. R. astr. Soc.,1974
5. Earthquake seismograms that show Doppler effects due to crack propagation;Douglas;Geophys. J. R. astr. Soc.,1981