TY  - BOOK
T1  - The structure and physical properties of the earth's crust.John G. Heacock, editor.
DA  - 1971.
CY  - Washington,
AU  - Heacock, John G.,
CN  - QE511
CN  - QE511
PB  - American Geophysical Union,
PP  - Washington,
PY  - 1971.
ID  - 55566
SN  - 0875900143
TI  - The structure and physical properties of the earth's crust.John G. Heacock, editor.
ER  -