@book{ Solr-acta56183, title = {Novel (K,Na)NbO3 based piezoelectric ceramic}, series = {Proceedings of the International Symposium on Analytical and Environmental Problems}, author = {Farkas Iuliana}, year = {2017}, url = {http://acta.bibl.u-szeged.hu/56183/1/proceedings_of_isaep_2017_175-178.pdf} }