TY  - BOOK
AU  - DOBRIN, MILTON B.
TI  - INTRODUCTION TO GEOPHYSICAL PROSPECTING
T2  - 0
U1  - 550 
PY  - 1960///
CY  - LONDON-U.S.A.
PB  - MCGRAW-HILL BOOK COMPANY
KW  - CIENCIAS PURAS
N1  - PROPAGATION- REFRACTION
ER  -