TY  - BOOK
T1  - Understanding the earth :a reader in the earth sciences /
DA  - 1971.
CY  - Sussex :
AU  - Gass, I. G.
AU  - Smith, Peter J.,
AU  - Wilson, R. C. L.
CN  - QE26.2
CN  - QE26.2
PB  - Published for The Open University Press by The Artemis Press,
PP  - Sussex :
PY  - 1971.
ID  - 110855
KW  - Earth sciences.
TI  - Understanding the earth :a reader in the earth sciences /
ER  -