TY  - BOOK
AU  - Smith,Peter J.
AU  - Wilson,R.C.L.
TI  - Understanding the earth: a reader in the earth sciences 
SN  - 0851413080
PY  - 1972///
CY  - Sussex
PB  - The Artemis Press Limited
KW  - Geology
KW  - Addresses, essays, lectures
ER  -