TY  - BOOK
AU  - STUDY COMMITTEE GEOPHYSICS
TI  - MINERAL ROSOURCES GENETIC UNDERSTANDING FOR PRACTICAL APPLICATIONS
T2  - 0
U1  - 553.2 
PY  - 1981///
CY  - U.S.A.
PB  - NATIONAL ACADEMY PRESS
KW  - CIENCIAS PURAS
ER  -