1. Use of complex impedance spectroscopy in chemical sensor characterization;Gutiérrez;Sensors and Actuators B,1991
2. J. Agapito and J. Gutiérrez, Gas sensor in domestic appliances (invited paper), Eurosensors IV, Karlsruhe, FRG, Oct. 1–3, 1990
3. J. Gutiérrez, J. Agapito, L. Arés, M.C. Horrillo and I. Sayago, Polycrystalline gas sensor properties based on d.c. and a.c. electrical measurements, Symposium B: New Materials, Physics and Technologies, M.R.S., Strasbourg, France, 1991
4. Electronic properties of grain boundaries;Werner,1985
5. Electrical properties of grain boundaries in presence of deep bulk;Blatter,1985