TY  - BOOK
AU  - Hall R P Ed.
AU  -  Hughes D J Ed.
TI  - Early precambrian basic magnatism
U1  - H21-51, N0 
PY  - 1990///
CY  - New York    
PB  -  Chapman and Hall      
KW  -  Igneous rocks
KW  - Geology
ER  -