TY  - BOOK
AU  - Kaufman, A.A. Keller, G.V.
TI  - Frequecy and transient soundings
SN  - 0444416900
U1  - 622.15 
PY  - 1983///
CY  - New York
PB  - ElsevierScience PublishingComp.
KW  - Magnetoltelluric prospecting
ER  -