@article {Sakellis20111259,
	title = {Long aging time thermal degradation of the ac conductivity and complex permittivity of conducting polypyrrole},
	journal = {Synthetic Metals},
	volume = {161},
	number = {13-14},
	year = {2011},
	pages = {1259-1263},
	url = {https://www.scopus.com/inward/record.uri?eid=2-s2.0-79960012037\&doi=10.1016\%2fj.synthmet.2011.04.020\&partnerID=40\&md5=bcb48f32f396196e1f723a61794fb6d2},
	author = {Sakellis, I. and Papathanassiou, A.N. and Grammatikakis, J.}
}
