@article{article0fad7673,
title   = {Detection of cracks in rotating shafts by using the combination resonances approach and the approximated entropy algorithm},
author = {Nicoletti, Rodrigo and Cavalini Junior, Aldemir and Steffen Junior, Valder},
year = {2018},
doi = {10.1155/2018/4094631},
journal   = {Shock and Vibration}
}