TY  - BOOK
AU  - Ringwood A E
TI  - Composition and petrology of the earth's mantle
T2  - McGraw Hill International series in the earth and plantary sciences
U1  - H20j413, L5 
PY  - 1975///
CY  - New York    
PB  -  McGraw Hill       
KW  -  Petrology-Indian
KW  - Geology
ER  -