on October 25, 2001
This is an excellent introduction to modern seismic measurement systems. Basically all what you need to know is covered here. Starting from functioning of seismometer, analog-to-digital techniques and digital filtering. All from the point of view of seismological interests, i.e. everything is all the time nicely linked with seismological practices which other "signal and systems" books obviously lack. Also the CD included is very educative when learning what poles and zeros actually mean.
Pictures could be a bit better from time to time. It seems that straight window-captures have been used when some further image processing would have been required.
Nevertheless, this is a must for any seismologist dealing with measuring systems.