TY  - BOOK
AU  - Ager,D.V.
TI  - Introducing geology: the earth's crust considered as history 
SN  - 0571048587
PY  - 1975///
CY  - London
PB  - Faber and Faber
KW  - Geology
KW  - z United Kingdom
N1  - Includes index
ER  -