TY  - BOOK
AU  - Oldroyd,D.R.
TI  - Thinking about the earth
SN  - 0674883829
PY  - 1996///
CY  - London
PB  - The Athlone Press
KW  - Geology
KW  - History
N1  - Includes bibliographica references and index; open access
ER  -