TY  - BOOK
AU  - Cas R A F
AU  -  Wright
TI  - Volcanic successions
U1  - H21, M7 
PY  - 1987///
CY  - London
PB  - Allen & Unwin       
KW  -  Igneous rocks
KW  - Geology
N1  - Bibliography 487-512p
ER  -