TY  - BOOK
AU  - Buckley, Don
TI  - Earth's structure
SN  - 9780133684841  
AV  - Q 181 .B924est 2011
U1  - HS 500  
PY  - 2011///.
CY  - Boston, Mass : 
PB  - Pearson, 
KW  - Zipporah Miller
ER  -