TY  - GEN
AU  - Ringwood, A.E
TI  - Composition and petrology of the earth's mantle
T2  - McGraw-Hill International Series in the Earth and Planetary Science
SN  - 0670529326
U1  - 551.11 
PY  - 1975///
CY  - New York
PB  - McGraw-Hill
KW  - EARTH SCIENCE
ER  -