• Chirp-based impedance spectroscopy pf piezo-sensorsSaar, Tõnis; Märtens, Olev; Reidla, Marko; Ronk, AntsBEC 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. 339-342 : ill