(:notitlegroup:) 

   @article{chen19jasa,
    title     = {Spectral, Spatial, and Temporal Characteristics of Underwater Ambient Noise in
                the Beaufort Sea in 1994 and 2016.},
    author    = {Rui Chen and Andrew Poulsen and Henrik Schmidt},
    journal   = {Journal of the Acoustical Society of Americal},
    pages     = {605-614},
    number    = {2},
    volume    = {145},
    year      = {2019}}