TY  - BOOK
AU  - Cerveny, V
TI  - Seismic ray theory
SN  - 9780521366717
SN  - 40355
U1  - 551.22015118 CER 
PY  - 2001///
CY  - Cambridge
PB  - Cambridge University Press
KW  - Seismic waves - Mathematical models
N1  - Includes bibliographical references and index
ER  -