624.1762  / D742v <br/>
Dotson, K.W. <br/>
       Vertical and torsional impedances for radially inhomogeneous viscoelastic soil layers 
 / K.W. Dotson and A.S. Veletsos 
 .- Buffalo: National center for earthquake engineering research,  1987 
 .- various pagings . 
.- ( National center for earthquake engineering research   
  ** NCEER-87-0024  )
<br/><u>Subject Headings:</u> <br/>Earthquake;<br/>Seismic behavior;<br/>Technical report;
<br/><U>Author Added Entry: </u><br/>Veletsos, A.S.;