sci
hub

to open science
Boudraa, A.-O., Cexus, J.-C., Groussat, M., & Brunagel, P. (2007). An Energy-Based Similarity Measure for Time Series. EURASIP Journal on Advances in Signal Processing, 2008(1). doi:10.1155/2008/135892 
10.1155/2008/135892