Jabs,
I don't have any links, but I do know of a few books.
Radio Shack's Engineer's mini notebook - Sensor Projects Cat # 62-5026
Siemens - Basics of sensors
Newnes - Sensor Technology Handbook
ISBN: 0-7506-7729-5
Newnes - Sensors and Transducers
ISBN 0 7506 4932 1
Handbook of Modern Sensors Physics, Designs, and Applications
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