TY  - BOOK
AU  - Ager,D.V.
TI  - Introducing geology: the earth's crust considered as history 
SN  - 0571048579 :
U1  - 550 
PY  - 1975///
CY  - London
PB  - Faber
KW  - Geology
KW  - Great Britain
N1  - Includes index; Bibliography: p. 239-241
ER  -