TY  - BOOK
AU  - Lee,Myung W.
AU  - Agena,Warren F.
ED  - United States
TI  - Linearized inversion of reflection traveltimes
U1  - 551.22 20th ed.
PY  - 1991///].
CY  - [Washington]: 
PB  - [United States Government Printing Office], 
KW  - Seismic reflection method
KW  - Seismic traveltime inversion
KW  - Seismology
KW  - Mathematical models
N1  - Includes bibliographical references (p. 21)
ER  -