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040			_apeliigp _bespañol _cpeliigp
041			_aeng
082	0	4	_221 _a551.22/B91/1963
100	1		_9732 _aBullen, K. E. _eautor
245	1	4	_aAn introduction to the theory of seismology
250			_aTercera edición
260			_aCambridge: _bCambridge University Press, _c1963.
300			_a381 páginas; _c23 cm.
500			_aIncluye índice: páginas 363-381.
504			_aIncluye referencias bibliográficas: páginas 329-361.
505			_a1. Introduction -- 2. Elasticity theory -- 3. Vibrations and waves -- 4. Bodily elastic waves -- 5. Surface elastic waves -- 6. Reflection and refraction of elastic waves -- 7. Seismic rays in a spherically stratified Earth model -- 8. Amplitudes of the surface motion due to seismic waves in a spherically stratified earth model -- 9. The principle of the seismograph -- 10. The construction of travel-time tables -- 11. The seismological observatory -- 12. Seismology and the Earths upper layers -- 13. Seismology and the Earths deep interior -- 14. Long-period oscillations of the Earth -- 15. Earthquake occurrence -- 16. Seismology and nuclear explosions -- 17. Extra-terrestrial seismology -- 18. Further topics.
650	1	4	_aSISMOLOGÍA _9538
650	2	4	_aTERREMOTOS _9569
910			_aphc
942			_2ddc _cBK
999			_c3845 _d3845