TY  - BOOK
AU  - Lapwood,E.R.
AU  - Usami,T.(Tatsuo)
TI  - Free oscillations of the earth
T2  - Cambridge monographs on mechanics and applied mathematics
SN  - 0521235367
PY  - 1981///
CY  - Cambridge
PB  - Cambridge University Press
KW  - Free earth oscillations
KW  - Seismology
ER  -