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- Pressure definition:http://www.school-for-champions.com/science/pressure.htm#.U1ilsRDFJ8E
- Archimedes' Law: http://www.auburn.edu/~nzk0001/pub/phys1600/10_archimedes.pdf
- Determining the density: http://physics.about.com/od/fluidmechanics/f/density.htm
- Preeti Jain, Pressure Sensors, http://www.engineersgarage.com/articles/pressure-sensors-types-working
- Robert E. Bicking, Fundamentals of Pressure Sensor Technology 1998, http://www.sensorsmag.com/sensors/pressure/fundamentals-pressure-sensor-technology-846
- PiezoStar® Pressure Sensor Datasheet by Kistler
- Piezoelectric Transducers and Applications, editor: Antonio Arnau Vives
- Eduardo Bartolome, Signal conditioning for piezoelectric sensors, http://www.ti.com/lit/an/slyt369/slyt369.pdf
- CONVENTIONAL CHARGE OUTPUT SENSORS, http://www.pcb.com/TechSupport/tech_signal
- Calibration services http://www.pcb.com/SensorCalibrationServices/CalibrationServices
- Accuracy and Calibration http://www.mmf.de/accuracy_and_calibration.htm
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