Publisher
Springer Science and Business Media LLC
Reference18 articles.
1. E. Boschi:Lett. Nuovo Cimento,12, 207 (1975).
2. E. Boschi andE. Di Curzio:Nuovo Cimento,28 B, 257 (1975).
3. See,e.g.,K. Walton:Geophys. Journ. Roy. Astr. Soc.,31, 373 (1973);F.A. Dahlen:Bull. Seism. Soc. Amer.,62, 1173, 1183 (1972), and many other papers therein quoted.
4. E. Boschi andE. Di Curzio:Ann. Geof., in press (1975).
5. K. Helbig:Gerlands Beitr. Geophys.,67, 177 (1958).