• Simple DSP interface for impedance spectroscopy of piezo-sensorsMärtens, Olev; Reidla, Marko; Saar, TõnisBEC 2010 : 2010 12th Biennial Baltic Electronics Conference : proceedings of the 12th Biennial Baltic Electronics Conference : Tallinn University of Technology, October 4-6, 2010, Tallinn, Estonia2010 / p. 343-344 : ill