TY  - BOOK
AU  - Wright,J.B.
AU  - Thorpe,R.S.
ED  - Open University
TI  - The geochemical history of the earth (motion picture)
PY  - 1972///
CY  - Milton Keynes
PB  - The Open University Press
KW  - Earth
KW  - Internal Structure
KW  - Crust
KW  - Core
N1  - Backup in U-matic; Outlined the overall physical features of the earth. Emphasizes the there are chemical distinctions between different parts of the crust (the oceanic and continental crusts) and notes that discontinuities exist within the mantle although there maybe physical rather than chemical in nature; Bahan rosak (Lupus)
ER  -