TY  - GEN
AU  - Gass, I.G., ed.
AU  - Smith, Peter J. ed.
AU  - Wilson, R.C.L. ed.
TI  - Understanding the earth : a reader in earth sciences
SN  - [851413080]
PY  - 1972///
CY  - Sussex
PB  - The Open University Press
KW  - GEOLOGY
KW  - EARTH
N1  - Index included
ER  -