Bullen, K. E.
An Introduction to the theory of seismology. - New York : PRES, 1963. - 381p., index. ; cm.
Seismology.
QE534.B936
An Introduction to the theory of seismology. - New York : PRES, 1963. - 381p., index. ; cm.
Seismology.
QE534.B936