%0 Journal Article %B Sensors (Switzerland) %D 2018 %R 10.3390/s18113727 %T Experimental determination of TDR calibration relationship for pyroclastic ashes of campania (Italy) %U https://www.scopus.com/inward/record.uri?eid=2-s2.0-85056060447&doi=10.3390%2fs18113727&partnerID=40&md5=f1414f7f5eb88605e4f56c22face86fc %V 18