(:notitlegroup:) 

   @incollection{hal87,
    title     = {Propagation of Seismic and Acoustic Waves in Horizontally Stratified Media
                with Stochastically Rough Interfaces},
    booktitle = {Progress in Underwater Acoustics},
    author    = {Henrik Schmidt},
    editor    = {H. M. Merklinger},
    address   = {New York},
    publisher = {Plenum Press},
    year      = {1987}}