TY  - GEN
AU  - Ardagh, Martin.
TI  - Understanding earth science
SN  - 9789382226697 (hbk.)
AV  - QE1 .E13
U1  - 550.5 
PY  - 2013///
CY  - New Delhi
PB  - Random Exports
KW  - Geology
KW  - Periodicals
N1  - Includes bibliography and index
ER  -