TY  - BOOK
AU  -  Beck,A.E.
TI  -  Physical principles of exploration methods : :  an introductory text for geology and geophysics students, / 
U1  -  K 622.15 BEC 
PY  - 1981///
CY  -  London and Basingstoke : 
PB  -  The Macmillan Press Ltd, 
KW  -  Prospecting
KW  -  Geophysical methods
N1  -  Includes bibligraphical references
ER  -