James M.R.; Robson S.; Pinkerton H.; Ball M.(2006)
Digital images from hand-held cameras are increasingly being acquired for scientific purposes, particularly where non-contact measurement is required. However, they frequently consist of oblique views with significant ...
James M.R.; Lane S.J.; Gilbert J.S.; Chouet B.(2004)
At basaltic volcanoes, the sources of long-period and very-long-period seismicity and acoustic signals are frequently described in terms of fluid dynamic processes, in particular the formation and ascent of gas slugs within ...