1. L. M. Balakina , 1962 . General regularities in the directions of the principal stresses effective in the Earthquake foci of the seismic belt of the Pacific Ocean , Izv. Geophys. Ser., 1471 -1483 .
2. Radiation patterns of seismic surface waves from buried dipolar point sources in a flat stratified Earth
3. A. Ben-Menahem, M. Rosenman, and D. G. Harkrider , 1970 . Fast evaluation of source parameters from isolated surface wave signals , Bull. seism. Soc. Am., in press.
4. Eigenvector Expansions of Green's Dyads with Applications to Geophysical Theory