citHeader("To cite package 'hht' in publications use:")
bibentry(bibtype = "Article",
title = "The {Hilbert-Huang} Transform: A High Resolution Spectral Method for Nonlinear and Nonstationary Time Series",
author = c(person(given = "Daniel C.", family = "Bowman"), 
   person(given = "Jonathan M.", family = "Lees")),
journal = {"Seismological Research Letters"},
year = {"2013"},
number = {"6"},
pages = {"1074-1080"},
volume = {"84"},
doi = {"10.1785/0220130025"}) 

