TY  - BOOK
AU  - Heacock,John G.
TI  - The structure and physical properties of the earth's crust
T2  - Geophysical monograph
SN  - 0875900143
PY  - 1971///
CY  - Washington, D. C.
PB  - American Geophysical Union
KW  - Earth
KW  - Crust
KW  - Congresses
N1  - Includes bibliographical references
ER  -