1. Damping in Bodily Seismic Waves;Jeffreys;Geophysical Suppl. to the Monthly Notices of the Royal Astronomical Soc.,1931
2. The Propagation of a Disturbance in a Visco-Elastic and Visco-Plastic Bar;Zverev;Prikl. Mat. Mekh.,1950
3. Problems in the Theory of Viscous Compressible Fluids;Lagerstrom;GALCIT Rep. N6-ONR,1949